CN215720778U

CN215720778U - Piston and pull rod connecting mechanism

Info

Publication number: CN215720778U
Application number: CN202122255450.3U
Authority: CN
Inventors: 陈斌; 王佩玉; 周冰; 朱峰; 冯杰; 褚琬; 杨加斌; 王伟铖
Original assignee: Zhejiang Xinzhongnan Auto Parts Co ltd
Current assignee: Zhejiang Xinzhongnan Auto Parts Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-02-01
Anticipated expiration: 2031-09-16

Abstract

The utility model provides a connecting mechanism of a piston and a pull rod, which comprises a connector and a connecting sleeve, wherein the connector is integrally connected to the end part of the pull rod, a groove is formed in the piston, the connector is fixed in the connecting sleeve and is made of plastic, the connecting sleeve is clamped in the groove of the piston, the connecting sleeve comprises a left half sleeve and a right half sleeve which are detachably connected, and the end part of the pull rod is clamped between the left half sleeve and the right half sleeve.

Description

Piston and pull rod connecting mechanism

Technical Field

The utility model belongs to the technical field of automobile accessories, and particularly relates to a connecting mechanism of a piston and a pull rod.

Background

The inside piston and the pull rod that have of present separation and reunion booster, wherein the pull rod is the reciprocating linear motion of pulling piston, and the connector on the present pull rod is the metalwork, needs to fix connector and piston recess with the fixed part of metal material, and the equipment is more troublesome, moreover because the fixed part that needs the metal material, leads to the cost ratio higher.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a piston and pull rod connecting mechanism, which solves the problems that the existing pull rod and piston are troublesome to connect and the connecting cost is high.

The utility model provides a piston and pull rod connecting mechanism which comprises a connector and a connecting sleeve, wherein the connector is integrally connected to the end part of a pull rod, a groove is formed in the piston, the connector is fixed in the connecting sleeve and is made of plastic, the connecting sleeve is clamped in the groove of the piston, the connecting sleeve comprises a left half sleeve and a right half sleeve which are detachably connected, and the end part of the pull rod is clamped between the left half sleeve and the right half sleeve.

Further, the cross section that half cover on a left side and half cover on the right side is the semicircle, and the symmetry concatenation, just half cover on a left side and half cover on the right side all are equipped with first step groove, second step groove and third step groove along axial from the bottom up at the inner wall, the degree of depth in first step groove is greater than the degree of depth in third step groove, the degree of depth in third step groove is greater than the degree of depth in second step groove, the connector includes first step, second step and the third step from the bottom up, the diameter of first step is greater than the diameter of third step, the diameter of third step is greater than the diameter of second step, first step card is gone into first step inslot, the second step card is gone into the second step inslot, the third step card is gone into the third step inslot.

Further, the left half sleeve is provided with a telescopic clamping block, the groove is of a right-angle shape and comprises a vertical portion and a transverse portion, the connecting sleeve is placed into the vertical portion, and the clamping block is clamped into the transverse portion.

Furthermore, the circumferential surface of the left half sleeve is provided with an accommodating groove corresponding to the position of the clamping block, and a linear spring is connected between the accommodating groove and the clamping block, so that the clamping block can compress one part of the accommodating groove.

Furthermore, the two ends of the left half sleeve are provided with fixing blocks, the two ends of the right half sleeve are provided with connecting blocks, and each fixing block is fixed with one connecting block.

The utility model has the following beneficial effects:

the connecting sleeve comprises a connecting sleeve and clamping blocks, the connecting sleeve is divided into a left half sleeve and a right half sleeve which are symmetrically spliced, the connecting head of a pull rod is clamped and hit inside the left half sleeve and the right half sleeve through the splicing of the left half sleeve and the right half sleeve, and then the connecting head of the pull rod is clamped and hit into a groove of a piston through the clamping blocks which can stretch out and draw back in the direction vertical to the radial surface of the connecting sleeve, so that the connection between the pull rod and the piston is completed, the pull rod, a fixing part and the piston do not need to be positioned and fixed in the installation process, but are connected independently in pairs, and the installation is convenient.

Drawings

FIG. 1 is a cross-sectional view of a pull rod coupled to a piston in accordance with the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a perspective view of the connecting sleeve and the clamping block of the present invention;

FIG. 4 is a schematic view of a connector according to the present invention;

fig. 5 is an enlarged schematic view of a portion B of fig. 2.

In the above drawings, 100, a connector; 200. connecting sleeves; 300. a pull rod; 400. a piston; 410. a groove; 210. a left half sleeve; 220. a right half sleeve; 230. a first step groove; 240. a second stepped groove; 250. a third step groove; 110. a first step; 120. a second step; 130. a third step; 500. a clamping block; 411. a vertical portion; 412. a transverse portion; 211. accommodating grooves; 600. a linear spring; 212. a fixed block; 221. and (4) connecting the blocks.

Detailed Description

The technical solution of the present invention is further described with reference to the accompanying drawings 1-4 and the embodiments.

As shown in fig. 1-3, the present invention includes a connector 100 and a connecting sleeve 200, the connector 100 is integrally connected to an end of a drawbar 300, a groove 410 is formed in a piston 400, the connector 100 is fixed in the connecting sleeve 200, the connecting sleeve 200 is made of plastic, the connecting sleeve 200 is clamped in the groove 410 of the piston 400, the connecting sleeve 200 includes a left half sleeve 210 and a right half sleeve 220 which are detachably connected, and the left half sleeve 210 and the right half sleeve 220 clamp the end of the drawbar 300 therebetween.

As shown in fig. 3 and 4, the cross sections of the left half sleeve 210 and the right half sleeve 220 are both semicircular arcs and are symmetrically spliced, and the inner walls of the left half sleeve 210 and the right half sleeve 220 are respectively provided with a first step groove 230, a second step groove 240 and a third step groove 250 from bottom to top along the axial direction, the depth of the first step groove 230 is greater than that of the third step groove 250, the depth of the third step groove 250 is greater than that of the second step groove 240, the connector 100 comprises a first step 110, a second step 120 and a third step 130 from bottom to top, the diameter of the first step 110 is greater than that of the third step 130, the diameter of the third step 130 is greater than that of the second step 120, the first step 110 is clamped into the first step groove 230, the second step 120 is clamped into the second step groove 240, and the third step 130 is clamped into the third step groove 250.

As shown in fig. 1-3 and 5, a retractable latch 500 is provided on the left half 210, the recess 410 is right-angled and includes a vertical portion 411 and a transverse portion 412, the connection sleeve 200 is placed into the vertical portion 411, and the latch 500 is snapped into the transverse portion 412. The circumferential surface of the left half 210 is provided with a receiving groove 211 corresponding to the position of the latch 500, and a linear spring 600 is connected between the receiving groove 211 and the latch 500, so that the latch 500 can compress a part of the latch 500 into the receiving groove 211.

As shown in fig. 3, fixing blocks 212 are disposed at two ends of the left half sleeve 210, connecting blocks 221 are disposed at two ends of the right half sleeve 220, and each fixing block 212 and one connecting block 221 are fixed by bolts, so that the left half sleeve 210 and the right half sleeve 220 are fixed together.

The use method of the utility model comprises the following steps: firstly, the left half sleeve 210 and the right half sleeve 220 are respectively placed on two sides of the connector 100, the connector 100 is clamped between the left half sleeve 210 and the right half sleeve 220, then the left half sleeve 210 and the right half sleeve 220 are fixed together, so that the connector 100 is clamped in the connecting sleeve 200, then the connector 100 is vertically placed in the groove 410, before the fixture block 500 reaches the transverse part 412, the fixture block 500 retracts due to the elastic deformation of the linear spring 600, so that the connector 100 is smoothly placed in the groove 410, when the fixture block 500 reaches the position of the transverse part 412, the fixture block 500 is out of the constraint of the vertical part 411 of the groove 410, the linear spring 600 resets, the fixture block 500 is clamped in the transverse part 412, and the connecting sleeve 200 is clamped in the groove 410. Since the front and the rear of the groove 410 are provided with openings, and the transverse part 412 is on the left side of the groove 410, the inner wall of the groove 410 and the transverse part 412 do not obstruct the insertion of the fixing block 212 and the connecting block 221 outside the connecting sleeve 200.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a piston and pull rod coupling mechanism, a serial communication port, includes connector (100), adapter sleeve (200), connector (100) integrated into one piece is connected the tip of pull rod (300) is equipped with recess (410) in piston (400), just connector (100) are fixed in adapter sleeve (200), just the material of adapter sleeve (200) is plastics, adapter sleeve (200) card is gone into in recess (410) of piston (400), adapter sleeve (200) are including half left cover (210) and half right cover (220) that can dismantle the connection, half left cover (210) with half right cover (220) will the tip clamp of pull rod (300) is between the two.

2. The connecting mechanism of piston and drawbar according to claim 1, characterized in that the cross section of the left half sleeve (210) and the right half sleeve (220) are both semicircular and symmetrically spliced, and the left half sleeve (210) and the right half sleeve (220) are provided with a first step groove (230), a second step groove (240) and a third step groove (250) on the inner wall from bottom to top along the axial direction, the depth of the first step groove (230) is greater than that of the third step groove (250), the depth of the third step groove (250) is greater than that of the second step groove (240), the connector (100) comprises a first step (110), a second step (120) and a third step (130) from bottom to top, the diameter of the first step (110) is greater than that of the third step (130), and the diameter of the third step (130) is greater than that of the second step (120), the first step (110) is snapped into the first step groove (230), the second step (120) is snapped into the second step groove (240), and the third step (130) is snapped into the third step groove (250).

3. A piston and drawbar connection according to claim 1, characterized in that a retractable latch (500) is provided on the left half-sleeve (210), the recess (410) is right-angled and comprises a vertical portion (411) and a transverse portion (412), the connection sleeve (200) is placed in the vertical portion (411), and the latch (500) is latched in the transverse portion (412).

4. A piston and rod connecting mechanism according to claim 3, wherein a receiving groove (211) is formed on the circumferential surface of the left half sleeve (210) corresponding to the position of the engaging piece (500), and a linear spring (600) is connected between the receiving groove (211) and the engaging piece (500) so that a part of the engaging piece (500) can be compressed into the receiving groove (211).

5. A piston and rod connecting mechanism as claimed in claim 2, wherein the left half sleeve (210) is provided with fixing blocks (212) at both ends thereof, the right half sleeve (220) is provided with connecting blocks (221) at both ends thereof, and each fixing block (212) is fixed to one of the connecting blocks (221).