CN211439800U

CN211439800U - Auxiliary device is dismantled to plunger bushing

Info

Publication number: CN211439800U
Application number: CN201922055621.0U
Authority: CN
Inventors: 高广林; 任广兰; 高峰; 刘慧�
Original assignee: Yizheng Fengye Machinery Co ltd
Current assignee: Yizheng Fengye Machinery Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-08
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses an auxiliary device is dismantled to plunger bushing, the camera includes a supporting plate, the both ends of backup pad bottom are fixed with the sleeve, the landing leg has been cup jointed through the screw thread to telescopic bottom, the top of backup pad is rotated through the bearing and is connected with the sliding sleeve, the sliding sleeve runs through the backup pad, there is the thread bush the inside of sliding sleeve through the spline connection, the fixed bevel gear that has cup jointed on the thread bush, there is first threaded rod the inside of thread bush through threaded connection, the one end at the top of backup pad is fixed with the mounting panel. The utility model discloses the beneficial effect who reaches is: through setting up two splint and second threaded rod, make things convenient for this device to carry out the pretension to the plunger bolt of different models, it is nimble convenient to use to through setting up sleeve and landing leg to be fit for complicated car space work, through setting up countersunk head bolt, pivot, first bevel gear and second bevel gear, there is obvious promotion to dismantling efficiency.

Description

Auxiliary device is dismantled to plunger bushing

Technical Field

The utility model relates to a dismantle auxiliary device, in particular to auxiliary device is dismantled to plunger bushing belongs to plunger maintenance technical field.

Background

The plunger sleeve is a sleeve outside the plunger in the fuel injection pump of the engine. The fuel injection pump plunger matching part is a matched plunger and plunger sleeve, and is one of large precision matching parts of a diesel engine fuel system 3, the plunger reciprocates at a high speed in the plunger sleeve under the action of an oil pump cam to pressurize fuel to reach a certain pressure, and oil pressing or oil draining is started within a specified time.

Need take off the plunger bushing in plunger maintenance process, the jackscrew that current mode was mostly through the plunger bushing top is pulled out, because car inner structure is complicated, the scope that the plunger bushing can move about is less, and this has just led to driven mode of pulling out to use inconveniently, dismantles the inefficiency.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, current dismounting device home range is little, dismantles the problem of inefficiency and provides a plunger bushing dismantles auxiliary device.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a plunger bushing dismounting auxiliary device, which comprises a supporting plate, wherein sleeves are fixed at the two ends of the bottom of the supporting plate, the bottom of the sleeve is sleeved with a supporting leg through threads, the top of the supporting plate is rotatably connected with a sliding sleeve through a bearing, the sliding sleeve penetrates through the supporting plate, the interior of the sliding sleeve is connected with a threaded sleeve through a spline, a second bevel gear is fixedly sleeved on the threaded sleeve, the interior of the threaded sleeve is connected with a first threaded rod through threads, one end of the top of the supporting plate is fixed with a mounting plate, the number of the mounting plates is two, a rotating shaft is rotatably connected between the two mounting plates through a bearing, the side surface of the mounting plate is provided with a countersunk bolt which penetrates through the mounting plate and is fixedly connected with the rotating shaft, and one end of the rotating shaft, which is far away from the countersunk head bolt, is fixedly sleeved with a first bevel gear, and the first bevel gear and the second bevel gear are in meshing transmission.

As a preferred technical scheme of the utility model, spacing hole has been seted up to the bottom of first threaded rod, install the second threaded rod on the lateral wall in spacing hole, the second threaded rod runs through the inside in spacing hole and is connected with splint, the quantity of splint is two, splint are circular-arc structure, the nut has been cup jointed through the screw thread to the one end that splint were kept away from to the second threaded rod.

As an optimal technical scheme of the utility model, sliding sleeve, thread bush, first threaded rod and second bevel gear are coaxial.

As an optimal technical scheme of the utility model, first threaded rod is perpendicular with the lower surface of backup pad, sleeve and landing leg are with the axle center.

As an optimized technical scheme of the utility model, sleeve, sliding sleeve and thread bush are hollow cylinder structure.

As an optimal technical scheme of the utility model, the bottom of landing leg is fixed with the connecting plate, install the bolt through the screw thread on the connecting plate.

The utility model discloses the beneficial effect who reaches is:

1. the utility model discloses in: the user firstly inserts the top of the plunger plug into the limiting hole, rotates the screw cap, the screw cap drives the second threaded rod through thread transmission, the second threaded rod drives the clamping plates, the two clamping plates are close to each other to clamp the top of the plunger plug, the device is convenient to pre-tighten plunger plugs of different types, and the use is flexible and convenient;

2. the utility model discloses in: when carrying out the dismantlement work, at first through rotatory landing leg, the landing leg is through the screw thread rotation in the sleeve, through the extension length of adjusting the landing leg in order to adapt to narrow and small space in the engine, pass through the bolt fastening with the connecting plate on the engine, through using the rotatory countersunk head bolt of box spanner, the countersunk head bolt drives the pivot, the pivot drives first bevel gear, first bevel gear drives second bevel gear through the meshing transmission, second bevel gear drives the thread bush, the thread bush passes through the thread transmission and drives first threaded rod, first threaded rod drives the second threaded rod, the second threaded rod drives splint, splint drive the plunger, pull out the plunger, moreover, the steam generator is simple in structure, be fit for complicated car space work, it has obvious promotion to dismantle efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 3 is an enlarged schematic view of part A in the second embodiment of the present invention;

fig. 4 is a bottom view of the first threaded rod according to the second embodiment of the present invention.

In the figure: the device comprises a supporting plate 1, a sleeve 2, a supporting leg 3, a connecting plate 4, a bolt 5, a sliding sleeve 6, a threaded sleeve 7, a first threaded rod 8, a mounting plate 9, a countersunk head bolt 10, a rotating shaft 11, a first bevel gear 12, a second bevel gear 13, a limiting hole 14, a second threaded rod 15, a nut 16 and a clamping plate 17.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

The first embodiment is as follows:

referring to fig. 1, the utility model provides a plunger bushing dismounting auxiliary device, which comprises a support plate 1, a sleeve 2 is fixed at two ends of the bottom of the support plate 1, a support leg 3 is sleeved at the bottom of the sleeve 2 through a thread, a sliding sleeve 6 is rotatably connected at the top of the support plate 1 through a bearing, the sliding sleeve 6 penetrates through the support plate 1, a thread sleeve 7 is connected inside the sliding sleeve 6 through a spline, a second bevel gear 13 is fixedly sleeved on the thread sleeve 7, a first threaded rod 8 is connected inside the thread sleeve 7 through a thread, a mounting plate 9 is fixed at one end of the top of the support plate 1, the number of the mounting plates 9 is two, a rotating shaft 11 is rotatably connected between the two mounting plates 9 through a bearing, a countersunk head bolt 10 is installed at the side of the mounting plate 9, the countersunk head bolt 10 penetrates through the mounting plate 9 and is fixedly connected with a rotating, the first bevel gear 12 is in mesh transmission with the second bevel gear 13.

The sliding sleeve 6, the threaded sleeve 7, the first threaded rod 8 and the second bevel gear 13 are coaxial; the first threaded rod 8 is vertical to the lower surface of the support plate 1, and the sleeve 2 and the support leg 3 are coaxial; the sleeve 2, the sliding sleeve 6 and the threaded sleeve 7 are all hollow cylindrical structures; the bottom of landing leg 3 is fixed with connecting plate 4, installs bolt 5 through the screw thread on the connecting plate 4.

Example two:

referring to fig. 2-4, the utility model provides a plunger bushing dismantles auxiliary device, including a supporting plate 1, both ends of the bottom of the supporting plate 1 are fixed with sleeve 2, the bottom of sleeve 2 has cup jointed landing leg 3 through the screw thread, the top of supporting plate 1 is connected with sliding sleeve 6 through the bearing rotation, sliding sleeve 6 runs through supporting plate 1, the inside of sliding sleeve 6 is connected with thread bush 7 through the spline, fixedly the cover is connected with second bevel gear 13 on thread bush 7, the inside of thread bush 7 is connected with first threaded rod 8 through the screw thread, the one end of the top of supporting plate 1 is fixed with mounting panel 9, the quantity of mounting panel 9 is two, rotate through the bearing between two mounting panels 9 and be connected with pivot 11, the side of mounting panel 9 is installed with countersunk head bolt 10, countersunk head bolt 10 runs through mounting panel 9 and is fixedly connected with pivot 11, the one end of pivot 11 far away, the first bevel gear 12 is in mesh transmission with the second bevel gear 13.

The bottom of the first threaded rod 8 is provided with a limiting hole 14, a second threaded rod 15 is mounted on the side wall of the limiting hole 14, the second threaded rod 15 penetrates through the inside of the limiting hole 14 and is connected with two clamping plates 17, the two clamping plates 17 are in an arc-shaped structure, and a nut 16 is sleeved on one end, away from the clamping plate 17, of the second threaded rod 15 through threads; the sliding sleeve 6, the threaded sleeve 7, the first threaded rod 8 and the second bevel gear 13 are coaxial; the first threaded rod 8 is vertical to the lower surface of the support plate 1, and the sleeve 2 and the support leg 3 are coaxial; the sleeve 2, the sliding sleeve 6 and the threaded sleeve 7 are all hollow cylindrical structures; the bottom of landing leg 3 is fixed with connecting plate 4, installs bolt 5 through the screw thread on the connecting plate 4.

Specifically, when the utility model is used, a user firstly inserts the top of the plunger plug into the limiting hole 14, rotates the nut 16, the nut 16 drives the second threaded rod 15 through thread transmission, the second threaded rod 15 drives the clamping plates 17, the two clamping plates 17 are close to each other, and the top of the plunger plug is clamped, so that the device can conveniently pre-tighten plunger plugs of different models, and the use is flexible and convenient;

when carrying out the dismantlement work, at first through rotatory landing leg 3, landing leg 3 is through screw thread rotation in sleeve 2, through the extension length of adjusting landing leg 3 in order to adapt to narrow and small space in the engine, pass through bolt 5 with connecting plate 4 and fix on the engine, through using the rotatory countersunk bolt 10 of box spanner, countersunk bolt 10 drives pivot 11, pivot 11 drives first bevel gear 12, first bevel gear 12 drives second bevel gear 13 through the meshing transmission, second bevel gear 13 drives thread bush 7, thread bush 7 drives first threaded rod 8 through thread transmission, first threaded rod 8 drives second threaded rod 15, second threaded rod 15 drives splint 17, splint 17 drives the plunger, pull out the plunger, simple structure, be fit for complicated car space work, it has obvious promotion to dismantle efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The plunger bushing dismounting auxiliary device comprises a supporting plate (1) and is characterized in that sleeves (2) are fixed at two ends of the bottom of the supporting plate (1), supporting legs (3) are sleeved at the bottom of the sleeves (2) through threads, the top of the supporting plate (1) is rotatably connected with a sliding sleeve (6) through a bearing, the sliding sleeve (6) penetrates through the supporting plate (1), a threaded sleeve (7) is connected inside the sliding sleeve (6) through a spline, a second bevel gear (13) is fixedly sleeved on the threaded sleeve (7), a first threaded rod (8) is connected inside the threaded sleeve (7) through a thread, mounting plates (9) are fixed at one end of the top of the supporting plate (1), the number of the mounting plates (9) is two, a rotating shaft (11) is rotatably connected between the mounting plates (9) through a bearing, and countersunk bolts (10) are installed on the side faces of the mounting plates (9), the countersunk head bolt (10) penetrates through the mounting plate (9) and is fixedly connected with the rotating shaft (11), one end, far away from the countersunk head bolt (10), of the rotating shaft (11) is fixedly sleeved with a first bevel gear (12), and the first bevel gear (12) is in meshing transmission with a second bevel gear (13).

2. The plunger sleeve dismounting auxiliary device is characterized in that a limiting hole (14) is formed in the bottom of the first threaded rod (8), a second threaded rod (15) is mounted on the side wall of the limiting hole (14), the second threaded rod (15) penetrates through the limiting hole (14) and is connected with two clamping plates (17), the two clamping plates (17) are of an arc-shaped structure, and a nut (16) is sleeved on one end, far away from the clamping plates (17), of the second threaded rod (15) through threads.

3. A plunger sleeve dismounting aid according to claim 1, characterised in that the sliding sleeve (6), threaded sleeve (7), first threaded rod (8) and second bevel gear (13) are coaxial.

4. A plunger sleeve removal aid according to claim 1, characterised in that the first threaded rod (8) is perpendicular to the lower surface of the support plate (1), the sleeve (2) and the leg (3) being coaxial.

5. The plunger sleeve dismounting auxiliary device is characterized in that the sleeve (2), the sliding sleeve (6) and the threaded sleeve (7) are all hollow cylindrical structures.

6. The plunger barrel dismounting auxiliary device is characterized in that a connecting plate (4) is fixed to the bottom of the supporting leg (3), and a bolt (5) is installed on the connecting plate (4) through threads.