CN211193666U - Novel wrench capable of pressing or screwing - Google Patents

Abstract

The utility model discloses a novel wrench capable of being pressed or screwed, which comprises a main shaft and a sleeve sleeved outside the main shaft in a rotating way, wherein the lower end of the main shaft is provided with a screwing chuck matched with the sleeve in a rotating way, and the upper end of the main shaft is provided with a positioning head matched with the sleeve in a rotating way; the sleeve is positioned between the screwing chuck and the positioning head, and the main shaft is provided with a pressing driving mechanism; the pressing driving mechanism comprises a driving cylinder and a pressing part, the driving cylinder is arranged between the main shaft and the sleeve, the pressing part presses the driving cylinder, the main shaft is connected with the driving cylinder through a thread mechanism, a guide groove is axially formed in the sleeve, and the lower part of the pressing part penetrates through the guide groove and is connected with the outer wall of the driving cylinder; the utility model has the advantages of simple structure, the practicality is strong, can adopt the installation and the dismantlement of rotation mode or pressing mode realization bolt, and the user mode is abundanter to it is rotatory when pressing, reducible frequent rotation of wrist when using conventional spanner, more stable and accord with human factors engineering principle.

Description

A new type of wrench that can be pressed or twisted

technical field

The utility model relates to the technical field of manual disassembly and assembly tools, in particular to a novel wrench that can be pressed or screwed.

Background technique

A wrench is a commonly used installation and removal tool. It is a hand tool that uses the principle of leverage to twist bolts, screws, nuts and other threaded fastening bolts or nuts. Made of steel; the wrench usually has openings or sleeve holes for holding the bolt or nut at one or both ends of the shank. When in use, the bolt or nut can be turned by applying an external force on the shank in the direction of thread rotation; during use , the wrench is often unable to work due to the limitation of the working space.

The Chinese utility model is a wrench suitable for narrow spaces, the announcement number is: CN208323196U, and the announcement date is: 2019.01.04; a wrench suitable for narrow spaces belongs to the technical field of hand tools and is used to improve parts such as bolts and nuts. The technical scheme is that the wrench includes a wrench head, a wrench handle, a connecting rod, and an auxiliary handle, the wrench handle and the auxiliary handle are parallel to each other and perpendicular to the axis of the bolt or nut to be rotated, and the connecting rod is parallel to the axis of the bolt or nut to be rotated. The axes of the bolts or nuts to be rotated are parallel, the wrench head is sleeved on the bolts or nuts to be rotated and fixedly connected with the head end of the wrench handle, the head end of the connecting rod is fixed at the tail end of the wrench handle, and the tail end is connected to the head of the auxiliary handle. end connection. The utility model utilizes a combined handle composed of a wrench handle, a connecting rod and an auxiliary handle to turn the wrench head to rotate. Under the condition that the power arm remains unchanged, the length of the wrench handle directly connected with the wrench head can be greatly reduced, and the operation of the wrench is reduced. space requirements. The wrench can effectively improve the disassembly and assembly efficiency of bolts, nuts and other parts, and is especially suitable for disassembly and assembly of bolts or nuts in a narrow space.

The Chinese utility model is a multi-purpose combination wrench that can be used in narrow spaces, the announcement number is: CN208575757U, the announcement date is: 2019.03.05, the utility model belongs to the technical field of combination tools, and in particular relates to a multi-purpose combination wrench that can be used in narrow spaces , including a first wrench, a second wrench, an operating rod and a force-applying rod; the first wrench and the second wrench are both semi-cylindrical structures with one side open; the outer centerline of the first wrench is provided with two vertical The first raised blocks of the first wrench, one of the first raised blocks is located in the middle of the outer side of the first wrench, and the inner side of the first wrench is provided with a non-slip structure; one end of the second wrench head is provided with a jaw, and the outer side of the second wrench head is provided There are two second raised blocks perpendicular to the second wrench in the direction of the center line, and one of the second raised blocks is located on the back side of the jaw. The utility model mainly solves the problem of using existing Pipe wrench and other tools are not easy to fasten or loosen pipe fittings, and have the characteristics of simple structure, convenient use, wide adaptability, small quality of the whole set, and easy portability.

The above patents all solve the problem that conventional wrenches cannot be used in small spaces, but may not be able to complete the work in narrower spaces, and the use method is single, and the operator cannot use a more comfortable operation method according to different situations.

Utility model content

The purpose of this utility model is to solve the above-mentioned problem, the technical scheme adopted is:

A new type of wrench that can be pressed or screwed, including a main shaft and a sleeve that is rotatably sleeved outside the main shaft, the lower end of the main shaft is provided with a screw chuck that is rotatably matched with the sleeve, and the upper end of the main shaft is provided with a rotational cooperation with the sleeve. The positioning head; the sleeve is located between the screw chuck and the positioning head, and a pressing driving mechanism is installed on the main shaft; the pressing driving mechanism includes a driving cylinder and a pressing driving cylinder installed between the main shaft and the sleeve The main shaft and the driving cylinder are connected by a screw mechanism, the sleeve is provided with a guide groove in the axial direction, and the lower part of the pressing part is connected to the outer wall of the driving cylinder through the guide groove.

Further, the screw chuck is detachably connected to the main shaft.

Further, the screwing chuck is made of magnetic material, the upper end of the screwing chuck is provided with a polygonal connecting column matched with the main shaft, and the lower end of the screwing chuck is provided with a hexagonal groove for matching the nut.

Further, the positioning head is provided with a positioning groove, and the pressing part is installed in cooperation with the positioning groove after being pressed in place.

Further, the pressing part includes a parallel connecting rod, the lower end of the connecting rod is connected with the outer wall of the driving cylinder through the guide groove, and the upper end of the connecting rod is connected by a pressing rod, either end of the pressing rod extends in the axial direction Form a rotating rod.

Further, the thread mechanism includes an external thread provided on the outer wall of the main shaft and an internal thread provided on the inner wall of the driving cylinder and matched with the external thread.

Further, the main shaft and the drive cylinder are made of brass.

The beneficial effects that the utility model has are:

1. The present utility model is a new type of wrench that can be pressed or twisted, with simple structure and strong practicability, and can be installed and disassembled by rotating or pressing. It is rich and rotates when pressing, which can reduce the frequent rotation of the wrist compared to using a conventional wrench, which is more stable and ergonomic. At the same time, it can be combined with the rotating method and the pressing method, which can be used when tightening or starting to loosen the bolt at the end. The rotation method is adopted, and the installation and removal of the bolts can be quickly realized by pressing before the bolts are tightened or loosened, so that the installation and removal of the bolts can be better realized by combining the rotation method and the pressing method.

2. The utility model adopts a detachable screwing chuck. For nuts of different specifications, the corresponding screwing chuck can be replaced.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the main shaft structure schematic diagram of the present utility model;

3 is a schematic structural diagram of the pressing portion of the present invention;

FIG. 4 is a schematic view of the structure of the screw chuck of the present invention.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings.

As shown in Figures 1-4, a new type of wrench that can be pressed or screwed includes a main shaft 4 and a sleeve 2 that is rotatably sleeved outside the main shaft 4. The lower end of the main shaft 4 is provided with a screw that is rotatably matched with the sleeve 2 The chuck 3, the upper end of the main shaft 4 is provided with a positioning head 1 that is rotatably matched with the sleeve 2; the sleeve 2 is located between the screwing chuck 3 and the positioning head 1, and a pressing drive mechanism 5 is installed on the main shaft 4 , the pressing and driving mechanism 5 includes a driving cylinder 51 installed between the main shaft 4 and the sleeve 2 and a pressing part for pressing the driving cylinder 51, the main shaft 4 and the driving cylinder 51 are connected by a threaded mechanism, and the sleeve 2 is on the A guide groove 21 is provided in the axial direction, and the lower part of the pressing part is connected to the outer wall of the driving cylinder 51 through the guide groove 21, so that the pressing part can only move in the direction of the guide groove 21 to realize the pressing function. Hold the sleeve 2 with your hand so that it is relatively fixed.

As shown in Figure 1-4, in order to facilitate the screwing of the chuck 3, the bolts with an outer diameter of 3mm-9mm can be screwed. To screw the chuck 3, it is necessary to install the extended screw chuck 3, and the screw chuck 3 with a length of 10-25mm can be installed; The upper end of the disk 3 is provided with a polygonal connecting column 31 that cooperates with the main shaft 4. Preferably, the upper end of the screw chuck 3 is provided with a hexagonal connecting column, and the lower end of the main shaft 4 is provided with a hexagonal connecting column that cooperates with the hexagonal connecting column. Installation groove, the lower end of the screw chuck 3 is provided with a hexagonal groove 32 for matching the nut.

As shown in Figure 1-4, in order to realize that the wrench can be pressed or screwed, the positioning head 1 is provided with a positioning groove 11. After the pressing part is pressed in place, it is installed in cooperation with the positioning groove 11. The positioning groove 11 is used for positioning The linear groove opened on the upper end of the head 1, the pressing part is clamped with the linear groove, so that the pressing driving mechanism 5 is stationary relative to the main shaft 4, thereby forming a whole, and the pressing part can be screwed to realize the screwing of the nut; preferably, the pressing The lower end of the connecting rod 52 is connected with the outer wall of the driving cylinder 51 through the guide groove 21, and the upper end of the connecting rod 52 is connected by a pressing rod 53, and the setting of the pressing rod 53 is convenient for the user to press, After the pressing part is pressed in place, the pressing rod 53 is clamped with the linear groove, and either end of the pressing rod 53 extends axially to form a rotating rod 54. The setting of the rotating rod 54 is convenient for the user to screw, so that the pressing parts are respectively It is designed with an operation part that the staff presses and twists, which is easy to operate. Compared with the conventional straight-barrel wrench, the use mode is more abundant, and the human-computer interaction effect is better, which is more in line with the ergonomic design principle.

As shown in FIGS. 1-4 , in order to realize the pressing operation function, the driving cylinder 51 drives the main shaft 4 to rotate through a screw mechanism, and the screw mechanism includes an external thread 41 arranged on the outer wall of the main shaft 4 and a The internal thread 55 of the thread 41 is matched. Preferably, in this embodiment, the main shaft 4 and the driving cylinder 51 are made of brass, and lubricant is added to the matching position between the external thread 41 of the outer wall of the main shaft 4 and the internal thread 55 of the inner wall of the driving cylinder 51 in use, so that the friction coefficient is 0.08 , the installation of the sleeve 2 can prevent the dust from affecting the lubrication and protect the hand; in order to realize the function of pressing the threaded mechanism, the inner thread 55 of the inner wall of the driving cylinder 51 is made in cooperation with the outer thread 41 on the main shaft 4. When 53 is pressed along the axial direction of the main shaft 4, the pressing rod 53 drives the driving cylinder 51 to move downward through the connecting rod 52, and the driving cylinder 51 drives the main shaft 4 to rotate through the threaded mechanism. The lower end is clamped with a screwing chuck 3, so the rotation of the main shaft 4 will drive the nut to rotate through the screwing chuck 3 to tighten or loosen.

The working process of the utility model is:

When pressing the mounting or dismounting bolts, firstly operate the driving cylinder 51 to the upper end of the main shaft 4, and position it by the positioning head 1 at the upper end of the main shaft 4, and then select an appropriate screwing chuck 3 according to the size of the bolts to be installed or dismantled. The selected screw chuck 3 is connected to the lower end of the main shaft 4, and the hexagonal groove 32 of the screw chuck 3 is close to the bolts that need to be installed or removed. The screw chuck 3 is magnetic and will attract the bolts. At this time, you are ready to press; the user Place one hand on the pressing rod 53, hold the sleeve 2 with the other hand to make it relatively fixed, press the pressing rod 53 hard, the pressing rod 53 drives the driving cylinder 51 to move downward through the connecting rod 52, and the driving cylinder 51 It will drive the main shaft 4 to rotate through the threaded mechanism. The direction of the external thread 41 on the main shaft 4 is opposite to that of the bolts. Loosen; when the pressing rod 53 is pressed down in place, the wrench needs to be lifted, so that the driving cylinder 51 is operated to the upper end of the main shaft 4 to reset again, and the bolts are installed or removed in a circular operation.

The user can also install or remove the bolts by screwing according to their own usage habits. After pressing the pressing rod 53 down in place, the pressing rod 53 is fitted with the linear groove, and the linear groove restricts the movement of the pressing rod 53. , so that the pressing driving mechanism 5 is stationary relative to the main shaft 4 to form a whole, and the user can install or remove the bolts by holding the rotating rod 54 and screwing.

In actual use, the user can also use a combination of pressing and screwing to install or remove the bolts as needed, especially for the bolts that cannot be tightened or loosened by pressing, the user can tighten them at the end. Or, the rotation method can be used when the bolts are loosened, and the installation and removal of the bolts can be quickly realized by pressing before or after the bolts are tightened.

The utility model is a new type of wrench that can be pressed or screwed, which adopts a structure that can be pressed and rotated as well as manually rotated. Compared with the conventional straight-cylinder type wrench, the utility model has more abundant use modes, and rotates when pressing, which can reduce the relative It is more stable and ergonomic for the frequent rotation of the wrist when using a conventional wrench.

This embodiment does not limit the shape, material, structure, etc. of the present invention in any form, and any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention belong to the technology of the present invention. The scope of protection of the program.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "horizontal", "front", "rear", "left", "right", "vertical", "horizontal" , "top", "bottom", "inside", "outside" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description, rather than indicating Or imply that the indicated device or element must have a specific orientation, be constructed and operate for a specific orientation, and thus cannot be construed as a limitation on the protection content of the present invention.

If words such as "first" and "second" are used herein to define components, those skilled in the art should know that the use of "first" and "second" is only for the convenience of describing the present invention and simplifying Description, unless otherwise stated, the above words have no special meaning.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent replacements to some of the technical features, but these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit of the technical solutions of the embodiments of the present invention. and range.

Claims (7)

1. A novel wrench capable of being pressed or screwed is characterized by comprising a main shaft and a sleeve rotatably sleeved outside the main shaft, wherein a screwing chuck rotationally matched with the sleeve is arranged at the lower end of the main shaft, and a positioning head rotationally matched with the sleeve is arranged at the upper end of the main shaft; the sleeve is positioned between the screwing chuck and the positioning head, and the main shaft is provided with a pressing driving mechanism;

the pressing driving mechanism comprises a driving barrel and a pressing part, the driving barrel is installed between the main shaft and the sleeve, the pressing part presses the driving barrel, the main shaft is connected with the driving barrel through a threaded mechanism, a guide groove is formed in the sleeve in the axial direction, and the lower part of the pressing part penetrates through the guide groove to be connected with the outer wall of the driving barrel.

2. The wrench of claim 1, wherein the wrench chuck is detachably connected to the spindle.

3. The novel wrench capable of being pressed or screwed according to claim 2, wherein the screwing chuck is made of magnetic material, the upper end of the screwing chuck is provided with a polygonal connecting column matched with the main shaft, and the lower end of the screwing chuck is provided with a hexagonal groove matched with the nut.

4. A novel wrench as claimed in claim 3, wherein the positioning head has a positioning groove, and the pressing portion is mounted in cooperation with the positioning groove after being pressed in place.

5. A novel wrench as claimed in claim 4, wherein the pressing portion comprises parallel connecting rods, the lower ends of the connecting rods pass through the guide slots and are connected to the outer wall of the driving barrel, the upper ends of the connecting rods are connected by a pressing rod, and either end of the pressing rod extends axially to form a rotating rod.

6. A novel wrench as claimed in claim 5, in which the screw means comprises an external thread on the outer wall of the spindle and an internal thread on the inner wall of the drive cylinder cooperating with the external thread.

7. The novel wrench as claimed in claim 6, wherein the spindle and the driving barrel are made of brass.

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