WO2016165639A1

WO2016165639A1 - Self-adaptive adjustable bench clamp

Info

Publication number: WO2016165639A1
Application number: PCT/CN2016/079361
Authority: WO
Inventors: 宋卫军
Original assignee: 上海昆杰五金工具有限公司
Priority date: 2015-04-16
Filing date: 2016-04-15
Publication date: 2016-10-20
Also published as: CN104742036B; CN104742036A

Abstract

Disclosed is a self-adaptive adjustable bench clamp, comprising a fixed clamp body (2), a movable clamp body (1), a guide sleeve (6), a lead screw (4), a handle (3) and a self-adaptive adjusting device, wherein the guide sleeve (6) passes through a cavity (21) of the fixed clamp body (2) and is connected to the fixed clamp body (2); the lead screw (4) is connected to the movable clamp body (1) and the handle (3), respectively; the lead screw (4) passes through the guide sleeve (6) and is in threaded connection with the guide sleeve (6); and the self-adaptive adjusting device adjusts the coaxiality between the lead screw (4) and the guide sleeve (6) in a flexible manner. Compared with the prior art, an elastic component is arranged between the fixed clamp body (2) and the guide sleeve (6), so that the coaxiality between the lead screw (4) and the guide sleeve (6) can be automatically adjusted, wear on the lead screw (4) and the guide sleeve (6) during operation is reduced, and furthermore, the service life of the bench clamp is prolonged, and the self-adaptive adjusting capacity is high.

Description

Adaptive adjustable vise

Technical field

The present invention relates to a vise, and more particularly to an adaptive adjustable vise.

Background technique

The vise is generally used to hold the workpiece to facilitate tapping and repairing the workpiece. The Chinese utility model patent (CN 2759690Y) discloses a vise comprising a base, a fixed caliper body, a jaw iron, a movable caliper body, a guide nut, a lead screw and a handle, and the base is connected by a rotating shaft and a fixed caliper body, and the movable The caliper body is connected to the fixed caliper body through the lead screw and the guide rail. The clamp iron is fixed to the fixed caliper body and the movable caliper body by screws, and the guide nut is fixed to the fixed caliper body by screws, and the handle passes through the hole and the wire on the lead screw. The bar is connected with a pipe clamp under the fixed caliper body and the movable caliper body, and a quick positioning device is arranged at the handle and the screw connection. The advantage of the vise is that the clamping torque is increased, the workpiece can be clamped and the pipe can be clamped, the jaw can be moved quickly, and the crimping at the port of the pipe can be repaired. However, the following defects exist:

The coaxiality between the lead screw and the lead nut cannot be adjusted, which tends to cause wear of the lead screw and the lead nut during operation, thereby shortening the service life of the vise.

Summary of the invention

The object of the present invention is to provide an adaptive adjustable vise to solve the problem that the coaxiality between the lead screw and the lead nut of the existing vise can not be adjusted, and the lead screw and the lead nut are easily worn during the operation. This reduces the technical problem of the service life of the vise.

The object of the present invention is achieved by the following technical solutions:

An adaptive adjustable vise comprising a fixed caliper body, a movable caliper body, a guide sleeve, a lead screw, a handle and an adaptive adjustment device, wherein

The guide sleeve is disposed in the cavity of the fixed caliper body and connected to the fixed caliper body;

The lead screw is respectively connected to the movable caliper body and the handle, and the lead screw is inserted into the guide sleeve and screwed with the guide sleeve;

The adaptive adjustment device is configured to adjust a coaxiality between the lead screw and the guide sleeve, and the adaptive adjustment device flexibly adjusts a coaxiality between the lead screw and the guide sleeve.

Preferably, the adaptive adjustment device comprises at least one elastic component, the elastic component being disposed at Outside the guide sleeve, one end of the elastic member abuts against an outer side surface of the guide sleeve, and the other end abuts against a side wall of the cavity.

Preferably, the adaptive adjustment device comprises four elastic members, the outer side of the cross section of the guide sleeve is square, and the four elastic members are respectively disposed on four sides of the outer side of the guide sleeve, and the elastic members are One end abuts the outer side surface of the guide sleeve, and the other end abuts against the side wall of the cavity, and the center lines of the four elastic members are on the same plane.

Preferably, the adaptive adjustment device comprises at least one elastic component and at least one adjusting screw, the adjusting screw is embedded in a through hole of the side wall of the cavity, and one end of the elastic component is opposite to the adjusting screw The front end abuts or is screwed, and the other end abuts the outer side surface of the guide sleeve.

Preferably, the adaptive adjustment device comprises four elastic members and four adjusting screws, the outer side of the cross section of the guiding sleeve is square, and the adjusting screw is embedded in the through hole of the side wall of the cavity. One end of the elastic member abuts or is screwed to the front end of the adjusting screw, and the other end abuts against the outer side surface of the guiding sleeve, and the four elastic members respectively abut the four sides of the outer side of the guiding sleeve The center lines of the four adjusting screws are on the same plane.

Preferably, the elastic member is a spring or a spring piece.

Preferably, the spring comprises a volute spring.

Preferably, the lead screw is connected to the handle through a handle adjustment assembly, the handle adjustment assembly includes a spring and an adjustment button, and a rear end of the lead screw is provided with an adjustment button receiving groove, and the front portion of the adjustment button Provided in the adjusting button receiving groove, the front end of the adjusting button is provided with a spring receiving groove, the spring is disposed in the spring receiving groove, and the front end thereof and the groove wall of the adjusting button receiving groove Abutting, a rear end thereof abuts against a groove wall of the spring receiving groove, and a side hole of the adjusting button receiving groove and the adjusting button are provided with a through hole through which the handle can pass. The handle is disposed in a side wall of the adjusting button receiving groove and a through hole of the adjusting button, and a central portion of the handle is provided with a concave annular step.

Preferably, the fixing tong body is provided with a connecting structure for connecting with the vehicle body, and the opposite sides of the guiding sleeve are respectively provided with at least one connecting hole I, and the opposite sides of the fixing tong body are respectively provided with The connecting hole I corresponds to at least one connecting hole II through which the pin shaft I passes to connect the guiding sleeve with the fixing tong body, and the connecting structure includes A connecting buckle provided on the pin shaft I.

Preferably, the movable caliper body is provided with a connecting sleeve, and the connecting sleeve is disposed through the cavity of the fixed caliper body And moving in the cavity, the guiding sleeve is disposed in the connecting sleeve, and the lead screw is connected to the movable tong body through a connecting component.

Preferably, the vise further comprises:

a guide sleeve support member fixedly connected or detachably coupled to the movable caliper body; wherein

The movable caliper body is provided with a connecting sleeve, and the guiding sleeve supporting member is fixedly connected or detachably connected to the connecting sleeve;

The guide sleeve support member is provided with a through hole matching the guide sleeve, so that the guide sleeve can slide in the through hole.

Preferably, the guide sleeve support member is fixedly connected or detachably connected to an end surface of the connecting sleeve, and the outer contour shape and size of the guide sleeve support member are matched with the end surface of the connecting sleeve.

Preferably, the guide sleeve support is in the form of a sheet or a column.

Preferably, the through hole of the guide sleeve support has a size larger than an outer diameter of the guide sleeve.

Preferably, an elastic element is disposed between the through hole of the guide sleeve support and the guide sleeve, which can further reduce the adverse effects of the shaking on the guide sleeve and the lead screw and prevent them from being damaged.

Preferably, the method further includes: a lead screw limiting collar, which is sleeved on the lead screw and fixedly connected or detachably connected to an end surface of the movable caliper body adjacent to the handle.

Preferably, the lead screw has a threaded portion, and one end of the threaded portion is provided with a limiting component, the limiting component is detachably connected to the lead screw, and a radial dimension of the limiting component is larger than The radial dimension of the threaded portion of the lead screw.

Preferably, one end of the guiding sleeve is provided with a dust plug or a dustproof cover.

Preferably, the outer side of the cross section of the guide sleeve is circular.

Preferably, the shape of the lower end of the elastic member conforms to the shape of the outer side surface of the guide sleeve abutting or screwing thereto.

Compared with the prior art, the present invention has the following beneficial effects:

The invention can automatically adjust the coaxiality between the lead screw and the guide sleeve by providing an elastic member between the fixed caliper body and the guide sleeve, thereby reducing the cooperation due to the precision of the lead screw and the guide sleeve itself. Deviation caused by the wear of the lead screw and the guide sleeve during operation, thereby prolonging the vise Lifespan and high adaptive adjustment capability;

In addition, when the vise is traveling with the vehicle, the elastic member disposed between the fixed caliper body and the guide sleeve can slow the vibration of the screw rod and protect the screw rod;

The utility model further reduces the amplitude of the sway of the guide sleeve and the screw rod caused by the sway of the vise during the transportation process of the vise by the setting of the guide sleeve support member and the setting of the self-adjusting adjustment device, and thus can also play Prevent the screw and guide sleeve from being damaged by shaking.

DRAWINGS

1 is a schematic structural view of an adaptive adjustable vise of the present invention;

Figure 2 is an exploded view of the adaptive adjustable vise of the present invention;

Figure 3 is a partially exploded view of the adaptive adjustable vise of the present invention;

Figure 4 is a schematic view showing the connection of the lead screw and the guide sleeve of the present invention;

Figure 5 is a cross-sectional view of the adaptive adjustable vise of the present invention;

Figure 6 is a partially exploded view of the adaptive adjustable vise of the present invention;

Figure 7 is a cross-sectional view showing the connection of the lead screw and the handle of the present invention;

Figure 8 is a partial structural view of the adaptive adjustable vise of the present invention;

9 is a schematic view showing the overall assembly structure of a vise according to Embodiment 10 of the present invention;

Figure 10 is a schematic exploded perspective view of a vise according to a tenth embodiment of the present invention.

detailed description

The invention will be specifically described below in conjunction with the accompanying drawings. In order to enable those skilled in the art to understand the present invention clearly and completely, and to implement the technical solutions of the present invention, numerous details are disclosed in the embodiments. However, it is apparent that those skilled in the art can implement the technical solutions of the present invention without these details, and achieve the object of the present invention to achieve the effects of the present invention. These details are the preferred embodiments selected by the inventors after extensive experimentation and are not intended to limit the scope of the invention. The scope of the present invention is defined by the scope of the claims, and the technical solutions obtained by those skilled in the art based on the disclosure of the present application without the inventive work are also within the scope of the present invention.

Example 1

Referring to FIG. 1-3, an adaptive adjustable vise of the embodiment includes a fixed caliper body 2, a movable caliper body 1, a guide sleeve 6, a lead screw 4, a handle 3, and an adaptive adjustment device, wherein

The guide sleeve 6 is disposed in the cavity 21 of the fixed caliper body 2 and connected to the fixed caliper body 2;

The lead screw 4 is respectively connected to the movable caliper body 1 and the handle 3, and the lead screw 4 is inserted into the guide sleeve 6 and screwed with the guide sleeve 6;

The adaptive adjustment device is configured to adjust the coaxiality between the lead screw 4 and the guide sleeve 6 , and the adaptive adjustment device flexibly adjusts between the lead screw 4 and the guide sleeve 6 Concentricity. The invention can automatically adjust the coaxiality between the lead screw and the guide sleeve through the self-adjusting adjustment device, thereby reducing the operation deviation during the formation of the deviation due to the manufacturing precision of the lead screw and the guide sleeve itself. The wear of the lead screw and the guide sleeve further prolongs the service life of the vise and has high adaptive adjustment capability.

In this embodiment, the adaptive adjustment device includes four elastic members 52 and four adjusting screws 51. The outer side of the cross section of the guiding sleeve 6 is square, and the adjusting screw 51 is embedded in the cavity 21 In the through hole 23 of the side wall, one end of the elastic member 52 abuts or is screwed to the front end of the adjusting screw 51, and the other end abuts against the outer side surface of the guide sleeve 6, and the four elastic members 52 The four sides of the outer side of the guide sleeve 6 are respectively abutted, and the center lines of the four adjusting screws 51 are on the same plane, as shown in FIGS. 4 and 5. The coaxiality between the lead screw 4 and the guide sleeve 6 can be automatically and flexibly adjusted by the four elastic members 52.

Wherein, the adjusting screw can be a hexagon socket screw or a screw of other shapes. The elastic member is a spring or a spring piece. The spring may be a volute spring. When it is a volute spring, the thin end of the volute spring abuts or is screwed with the adjusting screw, and the thick end abuts against the outer side surface of the guiding sleeve, so that the volute spring is opposite to the guiding sleeve. The support on the outer side is stronger. The spring can also be a spring of other shapes. When it is found that the coaxiality between the lead screw 4 and the guide sleeve 6 is not high, manual adjustment can be performed, that is, by adjusting the screw to adjust the between the lead screw 4 and the guide sleeve 6 Concentricity, easy to use.

Further, referring to FIGS. 6 and 7, the lead screw 4 is connected to the handle 3 through a handle adjusting assembly, and the handle adjusting assembly includes a spring 81 and an adjusting button 82, and the rear end of the lead screw 4 is provided with an adjustment. a button accommodating groove 41, a front portion of the adjusting button 82 is disposed in the adjusting button accommodating groove 41, a front end of the adjusting button 82 is provided with a spring receiving groove, and the spring 81 is disposed at the spring capacity In the groove, the front end abuts against the groove wall of the adjusting button receiving groove 41, and the rear end thereof abuts against the groove wall of the spring receiving groove, and the adjusting button accommodates the side wall and the groove of the groove 41. The adjustment button 82 is provided with the hand a through hole 42, 821 through which the handle 3 passes, the handle 3 is disposed in a side wall of the adjusting button receiving groove and a through hole 42 and 821 of the adjusting button, and the middle portion of the handle 3 is provided therein A concave annular step 31.

The outer side wall of the adjusting button is provided with a guiding rib, and the side wall of the adjusting button accommodating groove is provided with a guiding groove matched with the guiding rib. A concave annular step 31 is provided in the middle of the handle 3, and the concave annular step 31 can make the handle 3 and the lead screw 4 more firmly connected. Under normal conditions, the through hole 821 of the adjusting button catches the annular step 31. This makes the handle 3 not automatically slide down.

Normally, the spring 81 pushes the adjustment button 82 outwardly under the action of its own restoring force, so that the edge of the through hole 821 of the adjustment button 82 abuts against the handle 3. At this time, one side of the handle 3 is adjusted by the button receiving groove. The edge of the through hole 42 of the side wall of the 41 is abutted, and the other side is abutted by the edge of the through hole 821 of the adjustment button 82, so that the handle 3 is connected to the lead screw 4. When the connection position of the handle and the lead screw is to be adjusted, the adjustment button 82 is pushed inwardly so that the through hole 821 of the adjustment button 82 is opposite to the through hole 42 of the side wall of the adjustment button receiving groove 41. At this time, the handle 3 does not have It is abutted against the edge of the through hole 42 of the side wall of the adjustment button accommodating groove 41, and is not abutted against the edge of the through hole 821 of the adjustment button 82, and the handle 3 can be moved up and down to adjust the position of the handle 3 when adjusted to a proper position. The handle can be connected with the lead screw by loosening the adjustment button, and the middle portion of the fixed handle 3 can be connected with the lead screw or the end of the fixed handle 3 can be connected with the lead screw, which is convenient to use. The connection manner of the lead screw 4 and the handle 3 can also be an existing connection method.

Further, referring to Figures 2, 3 and 4, the fixed caliper body 2 is provided with a connection structure for connecting with the vehicle body, and the opposite sides of the guide sleeve 6 are respectively provided with at least one connection hole I61, The opposite sides of the fixed caliper body 2 are respectively provided with at least one connecting hole II22 corresponding to the connecting hole I61, and the pin shaft I7 passes through the connecting hole I61 and the connecting hole II22 to connect the guiding sleeve 6 with The fixed caliper body 6 is connected, and the connecting structure includes a connecting buckle 71 provided on the pin shaft I7. The vise of the present invention can be connected to the vehicle body via the connecting buckle 71, so that it can be used on a truck, a pickup truck, an off-road vehicle, a trailer, or the like, or can be used in other environments than the vehicle body, and can be applied to various environments. The connecting buckle 71 can be a card spring or other structure. When the vise is driving with the vehicle, the elastic member disposed between the fixed caliper body and the guide sleeve can slow the vibration of the screw and protect the screw.

Further, the movable caliper body 1 is provided with a connecting sleeve 11 which is disposed in the cavity 21 of the fixed caliper body 2 and movable in the cavity 21, and the guiding sleeve 6 is disposed In the connecting sleeve 11, the lead screw 4 is connected to the movable caliper 2 by a connecting assembly. The connecting sleeve 11 can support the guiding sleeve 6 such that the coaxiality between the lead screw 4 and the guiding sleeve 6 is higher.

Wherein, the connecting component comprises a pin shaft II91, a spring 93 and a spacer 92, the spring 93 and the spacer 92 are respectively sleeved on the lead screw 4, and the pin shaft 9191 is disposed on the wire In the through hole I of the bar 41, one end of the spring 93 abuts against the inner side wall of the movable caliper 1 and the other end abuts against the spacer 92, and the spacer 92 abuts the pin shaft II91. Connect, as shown in Figure 8. One side of the connecting sleeve 11 is provided with a through hole II through which the pin shaft II91 can pass. The connecting assembly can also be in other forms in the prior art that enable the lead screw 4 to be coupled to the movable caliper 2.

Further, the end of the guiding sleeve is provided with a limiting baffle. The limit baffle is limited to one end of the cavity 21 of the fixed caliper body 2.

Example 2

The difference between the embodiment and the embodiment 1 is that the adaptive adjustment device comprises an elastic component and an adjusting screw, and the adjusting screw is embedded in the through hole of the side wall of the cavity, and one end of the elastic component Abutting or screwing with the front end of the adjusting screw, and the other end abutting the outer side surface of the guiding sleeve. The elastic parts are springs or shrapnel. Other structures and principles of this embodiment are the same as those of Embodiment 1, and are not described herein again.

In this embodiment, the coaxiality between the lead screw and the guiding sleeve is adjusted by providing an elastic member and an adjusting screw, so that the coaxiality between the lead screw and the guiding sleeve is high, and the structure is Simple and easy to use. Compared with the first embodiment, since only one through hole is required to be provided on the side wall of the cavity, the strength of the fixed caliper body is higher and the service life is longer.

Example 3

The difference between the embodiment and the embodiment 1 is that the adaptive adjustment device comprises two elastic members and two adjusting screws, the outer side of the guiding sleeve has a square cross section, and the adjusting screw is embedded in the cavity. In the through hole of the side wall, one end of the elastic member abuts or is screwed to the front end of the adjusting screw, and the other end abuts the outer side of the guiding sleeve, and the two elastic members respectively and the guiding sleeve The two adjacent sides of the outer side abut, and the center lines of the two adjusting screws are on the same plane. The elastic member is a spring or a shrapnel. The elastic parts are springs or shrapnel. Other structures and principles of this embodiment are the same as those of Embodiment 1, and are not described herein again.

In this embodiment, the coaxiality between the lead screw and the guiding sleeve is adjusted by providing two elastic members and two adjusting screws, so that the coaxiality between the lead screw and the guiding sleeve is high. The structure is simple and convenient to use. Compared with the first embodiment, since only two through holes are required to be provided on the side wall of the cavity, the solid can be made The fixed caliper body has higher strength and longer service life.

Example 4

The difference between the embodiment and the embodiment 1 is that the adaptive adjustment device comprises a spring or a spring piece, and the spring or the elastic piece is disposed outside the guide sleeve, and one end of the spring or the elastic piece and the guide sleeve The outer side abuts and the other end abuts against the side wall of the cavity. Other structures and principles of this embodiment are the same as those of Embodiment 1, and are not described herein again.

In this embodiment, the coaxiality between the lead screw and the guide sleeve is adjusted by providing a spring or a spring, so that the coaxiality between the lead screw and the guide sleeve is high, and the structure is simple. Easy to use. Compared with the first embodiment, since it is not necessary to provide a through hole in the side wall of the cavity, the strength of the fixed caliper body can be made higher and the service life is longer.

Example 5

The difference between the embodiment and the embodiment 1 is that the adaptive adjustment device comprises two elastic members, the outer side of the guide sleeve has a square cross section, and the two elastic members are respectively disposed adjacent to the outer side of the guide sleeve. The two sides of the elastic member abut against the outer side of the guide sleeve, and the other end abuts against the side wall of the cavity, and the center lines of the two elastic members are on the same plane. The elastic parts are springs or shrapnel. Other structures and principles of this embodiment are the same as those of Embodiment 1, and are not described herein again.

In this embodiment, the coaxiality between the lead screw and the guiding sleeve is adjusted by providing two elastic members, so that the coaxiality between the lead screw and the guiding sleeve is high, and the structure is simple, and the utility model is used. Convenience. Compared with the first embodiment, since it is not necessary to provide a through hole in the side wall of the cavity, the strength of the fixed caliper body can be made higher and the service life is longer.

Example 6

The difference between the embodiment and the embodiment 1 is that the adaptive adjustment device comprises four elastic members, the outer side of the cross section of the guide sleeve is square, and the four elastic members are respectively disposed on the outer side of the guide sleeve. One side of the elastic member abuts against the outer side surface of the guide sleeve, and the other end abuts against the side wall of the cavity, and the center lines of the four elastic members are on the same plane. The elastic parts are springs or shrapnel. Other structures and principles of this embodiment are the same as those of Embodiment 1, and are not described herein again.

In this embodiment, the coaxiality between the lead screw and the guiding sleeve is adjusted by providing four elastic members, so that the coaxiality between the lead screw and the guiding sleeve is high, and the structure is simple, and the utility model is used. Convenience. Compared with the first embodiment, since the through hole is not required to be provided in the side wall of the cavity, the strength of the fixed caliper body can be made higher. Longer service life.

Example 7

The difference between this embodiment and Embodiment 1 is that the adaptive adjustment device rigidly adjusts the coaxiality between the lead screw and the guide sleeve; the adaptive adjustment device includes an adjusting screw, the adjusting screw The through hole of the sidewall of the cavity is screwed, and the front end of the adjusting screw abuts the outer side of the guiding sleeve. Other structures and principles of this embodiment are the same as those of Embodiment 1, and are not described herein again.

In this embodiment, the coaxiality between the lead screw and the guiding sleeve is adjusted by providing an adjusting screw, so that the coaxiality between the lead screw and the guiding sleeve is high, and the structure is simple and convenient to use. .

Example 8

The difference between this embodiment and Embodiment 1 is that the adaptive adjustment device rigidly adjusts the coaxiality between the lead screw and the guide sleeve; the adaptive adjustment device includes two adjustment screws, the guide The outer side of the sleeve has a square shape, the adjusting screw is screwed to the through hole of the side wall of the cavity, and the front end of the adjusting screw abuts the outer side of the guiding sleeve, and the two adjusting screws are respectively The two adjacent sides on the outside of the guide sleeve abut, and the center lines of the two adjusting screws are on the same plane. Other structures and principles of this embodiment are the same as those of Embodiment 1, and are not described herein again.

In this embodiment, the coaxiality between the lead screw and the guiding sleeve is adjusted by providing two adjusting screws, so that the coaxiality between the lead screw and the guiding sleeve is high, and the structure is simple, and the utility model is used. Convenience.

Example 9

The difference between this embodiment and Embodiment 1 is that the adaptive adjustment device rigidly adjusts the coaxiality between the lead screw and the guide sleeve; the adaptive adjustment device includes four adjustment screws, and the guide The outer side of the sleeve has a square shape, and the adjusting screw is screwed to the through hole of the side wall of the cavity, and the front end of the adjusting screw abuts the outer side of the guiding sleeve, and the four adjusting screws are respectively The four sides of the outer side of the guide sleeve abut, and the center lines of the four adjusting screws are on the same plane. Other structures and principles of this embodiment are the same as those of Embodiment 1, and are not described herein again.

In this embodiment, the coaxiality between the lead screw and the guiding sleeve is adjusted by providing four adjusting screws, so that the coaxiality between the lead screw and the guiding sleeve is high, and the structure is simple and used. Convenience.

Example 10

Referring to FIG. 9 and FIG. 10, a vise provided by the embodiment includes a fixed caliper body 2a and a movable forceps. a body 1a, a guide sleeve 6a, a lead screw 4a and a handle 3a, wherein

The guide sleeve 6a is disposed in a cavity 21a of the fixed caliper body 2a and detachably connected to the fixed caliper body 2a; specifically, referring to FIG. 10, the detachable connection structure is as follows: the guide sleeve The opposite sides of the 6a are respectively provided with at least one first connecting hole, wherein the first connecting hole visible in FIG. 10 is 61a, and the other first connecting hole is opposite thereto; the opposite two of the fixed caliper body 2a A second connecting hole corresponding to the two first connecting holes is respectively disposed on the side surface, and the second connecting hole visible in FIG. 10 is 22a, a locking pin 7a passes through the first connecting hole and the first Two connecting holes connect the guide sleeve 6a with the fixed caliper body 2a. One end of the lock pin 7a is provided with a connecting buckle 71a. The vise of the utility model can be connected with a vehicle body through the connecting buckle 71a, so that the vise can be used on a truck, a pickup truck, an off-road vehicle, a trailer, etc., or can be used in other environments than the vehicle body, and can be applied. In a variety of environments. The connection buckle 71a can be a card spring or other structure. In addition to the detachable structure described above, the present invention may also utilize other similar detachable structures or other detachable structures conventional in the art, or use conventional fixed structures in the art;

The lead screw 4a is detachably connected to the movable caliper body 1a, and the lead screw 4a is fixedly connected or detachably connected to the handle.

The lead screw 4a has a threaded portion 41a, the threaded portion 41a is provided with an external thread, and the lead screw 4a is inserted into the guide sleeve 6a and screwed with the guide sleeve 6a; the guide sleeve 6a is inside An internal thread is provided at one end; for example, as shown in Fig. 10, an end portion 62a is provided at one end of the guide sleeve 6a, and an inner side surface of the internal thread portion 62a is provided with an internal thread that cooperates with the external thread.

The vise further includes:

a guide sleeve support member 10, the guide sleeve support member 10 is fixedly or detachably connected to the movable caliper body 1a, for example, by welding, or detachably connected by a connecting member such as a bolt;

The movable caliper body 1a is provided with a connecting sleeve 11a, the guiding sleeve support member 10 is fixedly connected or detachably connected to the connecting sleeve 11a;

The outer shape and size of the guide sleeve support member 10 are matched with the connecting sleeve 11a to achieve assembly; preferably, the guide sleeve support member 10 is fixedly or detachably connected to the end surface of the connecting sleeve 11a. The outer shape and size of the guide sleeve support member 10 coincide with the end surface 111a of the connecting sleeve 11a to maintain the stability and processing operability of the entire vise after the guide sleeve support member 10 is increased.

The guide sleeve support member 10 is provided with a through hole 101 matching the guide sleeve 6a, so that the guide sleeve 6a can slide in the through hole 101.

The utility model reduces the shaking amplitude of the guide sleeve 6a and the lead screw 4a caused by the shaking of the vise during the transportation of the vise by the arrangement of the guide sleeve support member 10, thereby preventing the damage of the lead screw 4a and the guide sleeve 6a. the goal of.

In this embodiment, the guide sleeve support 10 is in the form of a sheet. In other embodiments, the guide sleeve support member may also be columnar. The sheet or column shape particularly matches the structure of the vise of the present invention.

In this embodiment, the through hole 101 of the guide sleeve support member 10 has a larger size than the outer diameter of the guide sleeve 6a, so that the guide sleeve 6a can smoothly slide in the through hole 101; In other embodiments, an elastic element may be disposed between the through hole and the guide sleeve to buffer and reduce the sway.

In this embodiment, the vise further includes: a lead screw limiting ring 12 that is sleeved on the lead screw 4a and detachably connected to an end surface of the movable caliper 1a near the handle 3a. 13a, referring to FIG. 9 and FIG. 10, in the present embodiment, the lead screw retaining ring 12 is detachably coupled to the movable caliper 1a by three bolts. Specifically, the lead screw 4a has a thick end portion 42a, and the thick end portion 42a is provided with an annular groove. Meanwhile, the lead screw limit retaining ring 12 is provided with an inner concave portion, and the inner concave portion is sleeved on the After the annular groove is formed, the lead screw retaining ring 12 is fixed to the movable caliper body 1a by the above-mentioned three bolts. In addition to the fixing function, the lead screw retaining ring has a dustproof effect.

In this embodiment, the vise further includes: an adaptive adjustment device for flexibly adjusting the coaxiality between the lead screw and the guide sleeve. Specifically, referring to FIG. 10, the adaptive adjustment device includes four elastic members 52a and four adjusting screws 51a. In this embodiment, only one of the elastic member marks 52a is provided, and only one of the adjusting screw marks 51a is used. According to the figure, the other three sets of elastic members and adjusting screws can be respectively arranged; the adjusting screw 51a is embedded in the through hole 23a of the inner side wall of the cavity 21a (only one through hole 23a is marked in the figure). A person skilled in the art can recognize the positions of the other three through holes according to FIG. 10, one end of the elastic member 52a abuts against the front end of the adjusting screw 51a, and the other end abuts the outer side surface of the guiding sleeve 6a; The outer side profile of the cross section of the guide sleeve 6a is circular, and the four elastic members 52a are evenly distributed along the outer side surface of the guide sleeve 6a and abut against the outer side surface of the guide sleeve 6a, and the lower end of the elastic member can be The shape of the outer side surface of the guide sleeve to which the abutment or connection is abutted. The wire can be automatically and flexibly adjusted by the four elastic members 52a The coaxiality between the bar 4a and the guide sleeve 6a, and further mitigating the sway of the guide sleeve and the lead screw and the resulting damage.

In other embodiments of the present invention, the adaptive adjustment device may further include at least one elastic member without an adjustment screw, the elastic member being disposed outside the guide sleeve, and one end of the elastic member The outer side surface of the guide sleeve abuts, and the other end abuts against the inner wall of the cavity of the fixed caliper body.

In other embodiments of the present invention, the number of elastic members and adjusting screws in the adaptive adjusting device may be different from those in the above embodiment, and those skilled in the art may use other common knowledge to select other numbers.

In this embodiment, the other end of the lead screw 4a opposite to the thick end portion 42a is provided with a limiting component, the limiting component includes a washer 13 and a screw 14, and the screw 14 is detachably connected. On the lead screw 4a, and the radial dimension of the washer 13 is larger than the radial dimension of the threaded portion of the lead screw 4a. In addition to the circular shape shown in the figures, the gasket 13 can be any other suitable shape. The limiting assembly can prevent the lead screw 4a from falling out of the guide sleeve 6a.

In this embodiment, one end of the guide sleeve 6a is provided with a dust plug or a dustproof cover 15.

The above disclosure is only a few specific embodiments of the present application, but the present application is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present application.

Claims

An adaptive adjustable vise, comprising: a fixed caliper body, a movable caliper body, a guiding sleeve, a lead screw, a handle and an adaptive adjusting device, wherein

The guide sleeve is disposed in the cavity of the fixed caliper body and connected to the fixed caliper body;

The lead screw is respectively connected to the movable caliper body and the handle, and the lead screw is inserted into the guide sleeve and screwed with the guide sleeve;

The adaptive adjustment device is configured to adjust a coaxiality between the lead screw and the guide sleeve, and the adaptive adjustment device flexibly adjusts a coaxiality between the lead screw and the guide sleeve.
The adaptive adjustable vise of claim 1 wherein said adaptive adjustment means comprises at least one resilient member, said resilient member being disposed outside said guide sleeve, one end of said resilient member The outer side of the guide sleeve abuts and the other end abuts against the side wall of the cavity.
The adaptive adjustable vise according to claim 2, wherein said adaptive adjustment means comprises four elastic members, said outer side of said section of said guide sleeve being square, said four elastic members being respectively disposed at One side of the outer side of the guide sleeve, one end of the elastic member abuts the outer side surface of the guide sleeve, and the other end abuts against the side wall of the cavity, and the center line of the four elastic members is On the same plane.
The adaptive adjustable vise of claim 1 wherein said adaptive adjustment means comprises at least one resilient member and at least one adjustment screw, said adjustment screw being embedded in the side wall of said cavity In the hole, one end of the elastic member abuts or is screwed to the front end of the adjusting screw, and the other end abuts against the outer side surface of the guiding sleeve.
The adaptive adjustable vise of claim 4, wherein said adaptive adjustment means comprises four resilient members and four adjustment screws, said guide sleeve having a square outer side of said section, said adjustment screw Embedded in the through hole of the sidewall of the cavity, one end of the elastic member abuts or is screwed to the front end of the adjusting screw, and the other end abuts the outer side surface of the guiding sleeve, the four The elastic members respectively abut against the four sides of the outer side of the guide sleeve, and the center lines of the four adjusting screws are on the same plane.
The adaptive adjustable vise according to any one of claims 2 to 5, wherein the elastic member is a spring or a spring.
The adaptive adjustable vise of claim 6 wherein said spring comprises a volute spring.
The adaptive adjustable vise of claim 1 wherein said lead screw is coupled to said handle by a handle adjustment assembly, said handle adjustment assembly including a spring and an adjustment button, the rear end of said lead screw An adjustment button accommodating groove is disposed, a front portion of the adjustment button is disposed in the adjustment button accommodating groove, a front end of the adjustment button is provided with a spring accommodating groove, and the spring is disposed in the spring accommodating groove The front end of the adjusting button abuts against the groove wall of the adjusting button receiving groove, and the rear end thereof abuts against the groove wall of the spring receiving groove, and the adjusting button receives the side wall of the groove and the adjusting button Each of the handles is provided with a through hole through which the handle passes, and the handle is disposed in a through hole of the adjusting button receiving groove and the through hole of the adjusting button, wherein the middle portion of the handle is concave Ring step.
The self-adjustable adjustable vise according to claim 1, wherein the fixed caliper body is provided with a connecting structure for connecting with the vehicle body, and the opposite sides of the guiding sleeve are respectively provided with at least one connecting hole. I. The opposite sides of the fixed caliper body are respectively provided with at least one connecting hole II corresponding to the connecting hole I, and the pin shaft I passes through the connecting hole I and the connecting hole II to guide the guiding hole A sleeve is coupled to the fixed jaw body, and the connecting structure includes a connecting buckle disposed on the pin shaft 1.
The adaptive adjustable vise according to claim 1, wherein the movable caliper body is provided with a connecting sleeve, and the connecting sleeve is disposed in a cavity of the fixed caliper body and is in the cavity In the middle movement, the guiding sleeve is disposed in the connecting sleeve, and the lead screw is connected to the movable tong body through a connecting component.
The adaptive adjustable vise of claim 10, wherein the vise further comprises:

a guide sleeve support member fixedly connected or detachably coupled to the movable caliper body; wherein

The guide sleeve support member is fixedly connected or detachably connected to the connecting sleeve of the movable caliper body;

The guide sleeve support member is provided with a through hole matching the guide sleeve, so that the guide sleeve can slide in the through hole.
The vise according to claim 11, wherein the guide sleeve support member is fixedly connected or detachably coupled to an end surface of the connecting sleeve, and an outer contour shape and size of the guide sleeve support member is connected to the outer sleeve. The end faces of the sleeves match.
A vise according to claim 11, wherein said guide sleeve support member is in the form of a sheet or a column.
A vise according to claim 11 wherein said passage of said guide sleeve support member The size of the hole is larger than the outer diameter of the guide sleeve.
The vise according to claim 11, wherein an elastic member is disposed between the through hole of the guide sleeve support and the guide sleeve.
The vise according to claim 1, further comprising: a lead screw limiting collar that is sleeved on the lead screw and fixedly coupled or detachably coupled to the movable caliper body On the end of the handle.
A vise according to claim 1, wherein said lead screw has a threaded portion, and one end of said threaded portion is provided with a stopper assembly, said stopper assembly being detachably coupled to said lead screw, and The radial dimension of the stop assembly is greater than the radial dimension of the threaded portion of the lead screw.
The vise according to claim 1, wherein one end of the guide sleeve is provided with a dust plug or a dust cover.
A vise according to claim 1, wherein the outer side of the cross section of the guide sleeve is circular.
A vise according to claim 2 or 4 or 19, wherein the shape of the lower end of the elastic member is attached to the shape of the outer side surface of the guide sleeve abutting or screwing thereto.