CN213332262U

CN213332262U - Mechanical cylinder

Info

Publication number: CN213332262U
Application number: CN202022236739.6U
Authority: CN
Inventors: 马军; 车海庆
Original assignee: Yantai Yixing Construction Machinery Co ltd
Current assignee: Yantai Yixing Construction Machinery Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-01
Anticipated expiration: 2030-10-10

Abstract

The utility model relates to a mechanical cylinder, including cylinder body, cylinder cap, silk braid, lead screw, retaining member and locking spring, be equipped with the connecting cylinder on the cylinder cap, the rotatable setting of lead screw is equipped with locking boss and drive end in the cylinder body on the lead screw, and the outline of locking boss is the polygon, and locking spring sets up between retaining member and drive end, is equipped with the locking hole on the retaining member, the locking hole be with the polygonized structure of locking boss looks adaptation is equipped with on the connecting cylinder to be used for cooperating the locking groove of locking lead screw with the retaining member and be used for right the retaining member carries out spacing constant head tank. The utility model discloses simple structure is compact, and the lead screw can't rotate during locking, has guaranteed the security of locking, and receives mechanical vibrations's influence little, and safe and reliable has improved the security performance of mechanical jar more, and during the unblock, convenient operation is swift, and the lead screw rotates conveniently, is convenient for rotate the lead screw to reach the purpose of adjustment silk braid position.

Description

Mechanical cylinder

Technical Field

The utility model relates to a mechanical cylinder belongs to mechanical type power cylinder technical field.

Background

The mechanical cylinder is used as an actuating mechanism for traction or pushing and comprises a cylinder body, a cylinder cover, a thread sleeve and a screw rod, the thread sleeve is slidably arranged in the cylinder body, the thread sleeve is in threaded connection with the screw rod, connecting cylinders are respectively arranged on the thread sleeve and the cylinder cover, the mechanical cylinder is installed through one connecting cylinder, and the mechanical cylinder can be connected with a component to be dragged or pushed through the other connecting cylinder. The existing mechanical cylinder adopts a compression bolt for locking a screw rod, as shown in fig. 1 and 2, when the screw rod needs to be rotated, the compression bolt 10 is loosened, and then the screw rod can be rotated by screwing the screw rod through a wrench, so that the length of a screw sleeve matched with the screw rod, which extends out of a cylinder body, is adjusted. The top of clamp bolt is some effect with the excircle of lead screw, and locking ability is limited, receives the influence of operation environment and operation demand moreover, and the operation process can produce vibrations, and clamp bolt is in easy pine in the vibrations environment, and clamp bolt can't lock the lead screw, and the lead screw easily rotates there is the potential safety hazard, can lead to accident such as part drops when serious, has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to prior art exists, provide a simple structure is compact, and locking and unblock convenient operation are swift, lock safe and reliable's mechanical cylinder more.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a mechanical cylinder, includes cylinder body, cylinder cap, silk braid and lead screw, silk braid slidable suit is in the cylinder body, the lead screw with silk braid threaded connection, be equipped with the connecting cylinder on the cylinder cap, still including setting up retaining member and locking spring on the lead screw, the rotatable setting of lead screw is in the cylinder body, be equipped with locking boss and drive end on the lead screw, the outline of locking boss is the polygon, locking spring sets up the retaining member with between the drive end, be equipped with the locking hole on the retaining member, the locking hole be with the polygonized structure of locking boss looks adaptation, be equipped with on the connecting cylinder be used for with the locking groove of retaining member cooperation locking lead screw and be used for right the retaining member carries out spacing constant head tank.

The utility model has the advantages that: the locking part sinks into the locking groove under the action of the locking spring, the locking groove limits the locking part to prevent the locking part from rotating, the locking hole and the locking boss of the locking part are polygonal, and the locking hole and the locking boss are matched to prevent the screw rod from rotating, so that the purpose of locking the screw rod is achieved; when the position of connecting cylinder on silk cover and the silk cover is adjusted to needs, the manual retaining member that rotates, the constant head tank sets up the outside in locking groove for the retaining member cooperatees with the constant head tank, breaks away from the locking boss with constant head tank complex retaining member, and compresses tightly in the constant head tank under locking spring's effect, and the lead screw at this moment can rotate, and the accessible spanner rotates the lead screw, and the lead screw rotates because silk cover and lead screw threaded connection, so the silk cover can be in the cylinder body endwise slip, adjusts the position of silk cover in the cylinder body, thereby realizes the adjustment of the interval between the connecting cylinder on connecting cylinder and the cylinder cap on the silk cover. The locking piece is matched with the locking groove and the locking boss under the action of the locking spring to lock the screw rod, or the locking piece is matched with the positioning groove to be separated from the locking boss under the action of the locking spring to realize that the screw rod rotates to adjust the position of the screw sleeve in the cylinder body. The utility model discloses simple structure is compact, and the lead screw can't rotate during locking, has guaranteed the security of locking, and receives mechanical vibrations's influence little, and safe and reliable has improved the security performance of mechanical jar more, and during the unblock, convenient operation is swift, and the lead screw rotates conveniently, is convenient for rotate the lead screw to reach the purpose of adjustment silk braid position.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the locking member includes a locking tab.

The beneficial effect who adopts above-mentioned further scheme is that, can with the locking boss cooperation in the locking piece, can lock with the locking groove cooperation outward, also can be through rotating certain angle outward with the constant head tank cooperation, the unblock of interior locking boss that breaks away from to the realization is to the control of lead screw locking or rotation state.

Furthermore, the locking piece comprises a locking sheet and a sleeve arranged on the locking sheet.

The beneficial effect who adopts above-mentioned further scheme is that, can with the locking boss cooperation in the locking piece, can lock with the locking groove cooperation outward, also can be through rotating certain angle outward with the constant head tank cooperation, the unblock of interior locking boss that breaks away from to the realization is to the control of lead screw locking or rotation state. The sleeve can play a dustproof role and protect the working environment of the locking spring.

Furthermore, the outer contour of the matched part of the locking piece and the locking boss is of a square structure.

The beneficial effect who adopts above-mentioned further scheme is that square structure is convenient for and locking groove cooperation, and the turning position of rotating 45 degrees angle retaining members can cooperate with the constant head tank, and retaining member adjustment convenient and fast.

Furthermore, the screw rod is also provided with a clamping groove, and the locking spring is arranged between the clamping groove and the locking sheet.

Adopt above-mentioned further scheme's beneficial effect be, locking spring can install on the lead screw, and the design of draw-in groove is injectd locking spring's mounted position, guarantees locking spring's installation stability to act on the retaining member through locking spring is stable.

Furthermore, a locking spring retainer ring is arranged in the clamping groove.

The adoption of the further scheme has the beneficial effects that one end of the locking spring is limited through the locking spring retainer ring, the other end of the locking spring acts on the locking part, the locking part is pressed in the locking groove on the sleeve in the locking state, and the locking hole and the locking boss are matched to act, so that the rotation of the screw rod is avoided, the safety performance of the mechanical cylinder is improved, and the potential safety hazard is avoided; during the unblock state, rotate the retaining member for retaining member and spacing groove looks adaptation, locking spring act on the retaining member and compress tightly it at the spacing inslot, and the retaining member breaks away from with the locking boss, alright in order to rotate the position of lead screw adjustment silk braid in the cylinder body, thereby the position of the connecting cylinder that adjustment and silk braid are connected.

Furthermore, the cross section of the locking boss is in a regular hexagon shape.

The screw rod locking device has the advantages that the locking boss is convenient to process, the locking hole matched with the locking boss is also convenient to process, and the locking boss and the locking piece are convenient to cooperate to lock the screw rod.

Further, the locking hole is regular dodecagon.

The beneficial effect who adopts above-mentioned further scheme is that, lead screw and silk braid screw-thread fit, the locking hole can be designed into the regular hexagon structure the same with the locking boss, also can design into the regular dodecagon structure that can with regular hexagon looks adaptation to increase the adjustable scope of lead screw.

Furthermore, a positioning bulge is arranged on the screw rod and arranged between the cylinder body and the end face of the cylinder cover.

The beneficial effect who adopts above-mentioned further scheme is that, through spacing to the location arch, inject the action of the axial direction of lead screw to the silk braid can be along the action of axial direction in the cylinder body when realizing rotating the lead screw.

Furthermore, a gasket used for axially limiting the positioning protrusion is arranged between the cylinder body and the positioning protrusion.

The beneficial effect who adopts above-mentioned further scheme is that, spacing is carried out to the bellied axial of location of lead screw through the gasket, makes its rotation, avoids axial direction's drunkenness simultaneously.

Furthermore, a groove for installing a sealing ring is arranged on the cylinder body.

The beneficial effects of adopting above-mentioned further scheme are that, the silk cover can slide in the cylinder body, and the installation sealing washer in the recess can be used to dustproof sealing, and is sealed effectual, prolongs the life of mechanical jar.

Further, the cylinder cover is in threaded connection with the cylinder body.

Adopt above-mentioned further scheme's beneficial effect be, the installation is dismantled convenient and fast.

Drawings

FIG. 1 is a front view of a conventional mechanical cylinder;

FIG. 2 is a schematic top view of a conventional mechanical cylinder;

FIG. 3 is a schematic structural view of the locking state of the screw rod of the present invention;

FIG. 4 is a schematic diagram of the right side view of FIG. 3;

fig. 5 is a schematic structural view of the screw rod unlocking state of the present invention;

FIG. 6 is a schematic diagram of the right side view of FIG. 5;

fig. 7 is a schematic structural view of the screw rod of the present invention;

fig. 8 is a schematic structural view of the connecting cylinder on the cylinder cover of the present invention;

FIG. 9 is a schematic diagram of the right side view of the structure of FIG. 8;

fig. 10 is a schematic structural view of the locking member in the locked state according to the present invention;

FIG. 11 is a left side view of the structure of FIG. 10;

fig. 12 is a schematic structural view of the locking member in the unlocked state according to the present invention;

FIG. 13 is a left side view of the structure of FIG. 12;

fig. 14 is a schematic top view of the engagement of the connector and the locking member of the present invention.

In the figure, 1, a cylinder body; 1-1, a groove; 2. a cylinder cover; 3. sleeving the silk; 4. a screw rod; 4-1, locking the boss; 4-2, positioning protrusions; 4-3, a driving end; 4-4, a clamping groove; 5. a locking member; 5-1, locking sheets; 5-2, sleeve; 5-3, locking holes; 6. a connecting cylinder; 6-1, locking grooves; 6-2, positioning grooves; 7. A locking spring; 8. locking the spring retainer ring; 9. a gasket; 10. and pressing the bolt.

Detailed Description

The principles and features of the present invention are described below in conjunction with examples, which are set forth only to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 3-14, a mechanical cylinder comprises a cylinder body 1, a cylinder cover 2, a thread sleeve 3, a screw rod 4, a locking member 5 and a locking spring 7, wherein the thread sleeve 3 is slidably sleeved in the cylinder body 1, the screw rod 4 is in threaded connection with the thread sleeve 3, the cylinder cover 2 is provided with a connecting cylinder 6, the mechanical cylinder further comprises the locking member 5 and the locking spring 7, the locking member 5 and the locking spring 7 are arranged on the screw rod 4, the screw rod 4 is rotatably arranged in the cylinder body 1, the screw rod 4 is provided with a locking boss 4-1 and a driving end 4-3, the outer contour of the locking boss 4-1 is polygonal, the locking spring 7 is arranged between the locking member 5 and the driving end 4-3, the locking member 5 is provided with a locking hole 5-3, the locking hole 5-3 is of a polygonal structure matched with the locking boss 4-1, the connecting cylinder 6 is provided with a locking groove 6-1 And the positioning groove 6-2 is used for limiting the locking piece 5.

The locker 5 includes a locking tab 5-1. The locking sheet 5-1 can be internally matched with the locking boss 4-1, can be externally matched with the locking groove 6-1 for locking, and can also be internally separated from the locking boss 4-1 for unlocking by rotating for a certain angle and being externally matched with the positioning groove 6-2, thereby realizing the control of the locking or rotating state of the screw rod 4.

The locking piece comprises a locking sheet 5-1 and a sleeve 5-2 arranged on the locking sheet. The locking sheet 5-1 can be internally matched with the locking boss 4-1, can be externally matched with the locking groove 6-1 for locking, and can also be internally separated from the locking boss 4-1 for unlocking by rotating for a certain angle and being externally matched with the positioning groove 6-2, thereby realizing the control of the locking or rotating state of the screw rod 4. The sleeve 5-2 can play a dustproof role and protect the working environment of the locking spring 7.

The outer contour of the matched part of the locking piece 5 and the locking boss 4-1 is of a square structure. Square structure is convenient for and locking groove cooperation, rotates the turning position of 45 degrees angle retaining members and can cooperate with the constant head tank, and retaining member adjustment convenient and fast.

The screw rod is further provided with a clamping groove 4-4, and the locking spring 7 is arranged between the clamping groove 4-4 and the locking sheet 5-1. The locking spring can be installed on the lead screw, and the design of draw-in groove is injectd locking spring's mounted position, guarantees locking spring's installation stability to act on the retaining member through locking spring is stable.

And a locking spring retainer ring 8 is arranged in the clamping groove 4-4. The outer end of the locking spring is limited through the locking spring retainer ring, the inner end of the locking spring acts on the locking part, the locking part is tightly pressed in the locking groove on the sleeve in a locking state, and the locking hole and the locking boss are matched to prevent the screw rod from rotating, so that the safety performance of the mechanical cylinder is improved, and potential safety hazards are avoided; during the unblock state, rotate the retaining member for retaining member and spacing groove looks adaptation, locking spring act on the retaining member and compress tightly it at the spacing inslot, and the retaining member breaks away from with the locking boss, alright in order to rotate the position of lead screw adjustment silk braid in the cylinder body, thereby the position of the connecting cylinder that adjustment and silk braid are connected.

The cross section of the locking boss 4-1 is a regular hexagon. Not only locking boss processing is convenient, and it is also convenient with locking boss complex locking hole processing moreover, and the locking boss of being convenient for realizes the locking to the lead screw with the retaining member cooperation.

The locking holes 5-3 are regular dodecagons. The screw rod is in threaded fit with the screw sleeve, the locking hole can be designed into a regular hexagon structure which is the same as the locking boss, and also can be designed into a regular dodecagon structure which can be matched with the regular hexagon, so that the adjustable range of the screw rod is increased.

The screw rod 4 is provided with a positioning bulge 4-2, and the positioning bulge 4-2 is arranged between the cylinder body 1 and the end face of the cylinder cover 2. The axial direction action of the screw rod is limited by limiting the positioning protrusion, so that the screw sleeve can move in the cylinder body along the axial direction when the screw rod is rotated.

A gasket 9 used for axially limiting the positioning bulge 4-2 is further arranged between the cylinder body 1 and the positioning bulge 4-2. The axial direction of the positioning protrusion of the screw rod is limited through the gasket, so that the screw rod rotates, and the axial direction movement is avoided.

The cylinder body 1 is provided with a groove 1-1 for mounting a sealing ring. The screw sleeve can slide in the cylinder body, and the sealing ring is arranged in the groove, so that the sealing device can be used for dustproof sealing, has a good sealing effect, and prolongs the service life of the mechanical cylinder.

The cylinder cover 2 is in threaded connection with the cylinder body 1. The installation and the dismantlement of lead screw are convenient for.

The locking piece 5 sinks into the locking groove 6-1 under the action of the locking spring 7, the locking groove 6-1 limits the locking piece 5, specifically, the square outer contour of the locking piece 5 is limited to avoid the rotation of the locking piece 5, the locking hole 5-3 and the locking boss 4-1 of the locking piece 5 are polygons, and the locking hole 5-3 and the locking boss 4-1 are matched to avoid the rotation of the screw rod 4, so that the purpose of locking the screw rod 4 is achieved; when the positions of the wire sleeve 3 and the connecting cylinder 6 on the wire sleeve 3 need to be adjusted, the locking piece 5 is manually rotated, the positioning groove 6-2 is arranged at the outer side of the locking groove 6-1, the locking piece 5 is rotated by a certain angle to ensure that the square outer contour of the locking sheet 5-1 of the locking piece 5 is matched with the positioning groove 6-2, the locking sheet 5-1 matched with the positioning groove 6-2 is separated from the locking boss 4-1, and is pressed tightly in the positioning groove 6-2 under the action of the locking spring 7, the screw rod 4 can rotate at the moment, the screw rod 4 can be rotated by a wrench, the driving position of the wrench can be inserted between the sleeve and the driving end to drive the screw rod, the screw rod 4 is rotated, as the screw sleeve 3 is in threaded connection with the screw rod 4, the screw sleeve 3 can axially slide in the cylinder body 1, by adjusting the position of the screw sleeve 3 in the cylinder body 1, thereby realize the adjustment of the interval between the connecting cylinder on the silk cover 3 and the connecting cylinder on the cylinder cap 2.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a mechanical cylinder, includes cylinder body, cylinder cap, silk braid and lead screw, silk braid slidable suit is in the cylinder body, the lead screw with silk braid threaded connection, be equipped with the connecting cylinder on the cylinder cap, its characterized in that still is including setting up retaining member and locking spring on the lead screw, the rotatable setting of lead screw is in the cylinder body, be equipped with locking boss and drive end on the lead screw, the outline of locking boss is the polygon, locking spring sets up the retaining member with between the drive end, be equipped with the locking hole on the retaining member, the locking hole be with the polygonized structure of locking boss looks adaptation, be equipped with on the connecting cylinder be used for with retaining member matched with locking groove and be used for right the retaining member carries out spacing constant head tank.

2. The machine cylinder of claim 1, wherein the locking member comprises a locking tab.

3. The cylinder as claimed in claim 1, wherein the locking member includes a locking plate and a sleeve provided on the locking plate, and the locking hole is provided on the locking plate.

4. The cylinder as claimed in claim 1, 2 or 3, wherein the locking member and the locking boss have a square outer contour.

5. The mechanical cylinder as claimed in claim 2 or 3, wherein the screw rod is further provided with a clamping groove, and the locking spring is arranged between the clamping groove and the locking piece.

6. The mechanical cylinder according to claim 5, wherein a locking spring retainer ring is arranged in the clamping groove.

7. A machine cylinder as claimed in claim 1, 2 or 3, wherein the locking boss is regular hexagonal in cross-section.

8. The cylinder as claimed in claim 7, wherein the locking hole is regular dodecagon.

9. The mechanical cylinder as claimed in claim 1, 2 or 3, wherein a positioning protrusion is provided on the screw rod, and the positioning protrusion is provided between the cylinder body and the end surface of the cylinder head.

10. The mechanical cylinder as claimed in claim 9, wherein a spacer for axially limiting the positioning protrusion is further disposed between the cylinder body and the positioning protrusion.