Synchronous press-fitting device for multiple valve oil seals

By using a gear and threaded rod structure to drive the movement of the limiting block and anti-slip plate, and combining this with an electric slider to adjust the position of the pressing head, the problem of cumbersome operation and insufficient adaptability of existing devices is solved, thus achieving convenient installation and high efficiency of valve oil seals.

CN223947257UActive Publication Date: 2026-02-27XICO INTELLIGENT TECHNOLOGY (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202520663168.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-02-27
Estimated Expiration
2035-04-09

AI Technical Summary

Technical Problem

The existing valve stem seal press-fitting device is cumbersome to operate during the fixing and adjustment process, and it is difficult to adapt to engine cylinder heads of different widths, resulting in inconvenience and low efficiency.

Method used

The device employs a gear and threaded rod structure, with the gear driven by a motor to rotate and move the threaded rod, enabling precise adjustment of the limit block and anti-slip plate. Combined with the design of an electric slider and sliding block, it allows for position adjustment of the pressing head, simplifying the operation process and improving adaptability.

Benefits of technology

It achieves convenient operation and wide adaptability of the valve stem seal press-fit device, adapting to different cylinder head widths, and improving installation efficiency and convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of valve oil seal press fitting, and discloses a synchronous press fitting device for multiple valve oil seals, which comprises a bottom frame, a fixing frame is fixedly mounted at the bottom of the inner side of the bottom frame, a rotating shaft is rotatably mounted on one side of the fixing frame, and one end of the rotating shaft penetrates through the left side and the right side of the fixing frame. The outer surface of the rotating shaft is sleeved with a second gear in a threaded mode. After the motor is started through the controller, the gear I is driven to rotate, so that the threaded rod is driven to move, and then the limiting block and the anti-skid plate are driven to move, and compared with a traditional device, the device can drive the moving block to move to any position through rotation of the threaded rod, and can adapt to engine cylinder covers with different widths; compared with a traditional device, through cooperation between a bolt and a sliding block, the device is more convenient to operate through rotation of a threaded rod, meanwhile, the adaptability of the device is improved, and the device is more convenient and faster to use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to valve oil seal press technology field, more specifically, the utility model relates to a plurality of valve oil seal synchronous press device. BACKGROUND

[0002] Valve oil seal is the key part of engine valve group, and its main function is to prevent oil leakage and abnormal circulation of mixed gas, and ensure the normal operation of the engine.

[0003] When the valve oil seal needs to be installed on the valve guide pipe, the press device needs to be used, and generally, the press device is fixed on the engine cylinder cover through the bolt assembly when in use, and then the valve oil seal in the lubricating oil is placed on the valve guide pipe, and then the valve oil seal is pressed downward by starting the pressing rod, so that the valve oil seal is installed on the valve guide pipe, and the bolt assembly is moved on the slide rod by two sliding blocks when in use, when the two sliding blocks are moved to the side surface of the engine cylinder cover, the bolt is screwed into the threaded hole of the sliding block and the slide rod in turn, and the position of the device is fixed, so that the bolt needs to be screwed constantly, and the operation is more troublesome, and since the hole in the upper part of the slide rod is a hole drilled in advance, the distance between any two holes cannot be the same as the width of part of the engine cylinder cover, so that the device cannot be fixed, and therefore the device needs to be transformed and optimized. UTILITY MODEL CONTENTS

[0004] In order to overcome the defects of the prior art, the utility model provides a plurality of valve oil seal synchronous press device, which has the advantages of convenient operation and convenient adjustment.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a plurality of valve oil seal synchronous press device, including the chassis, the bottom of the inner side of the chassis is fixedly installed with the fixed frame, the side of the fixed frame is rotatably installed with the rotating shaft, the rotating shaft penetrates through the left and right sides of the fixed frame at one end, the outer surface of the rotating shaft is fixedly sleeved with gear two, the left and right ends of the rotating shaft are fixedly installed with the threaded rod, the outer surface of the threaded rod is threadedly sleeved with the moving block, the bottom of the moving block is fixedly installed with the connecting block, the bottom of the connecting block extends to the bottom of the chassis, the bottom of the connecting block is fixedly installed with the limiting block, the side of the limiting block is fixedly installed with the antiskid plate, and the connecting block is movably connected with the chassis.

[0006] As a preferred technical scheme of the utility model, the upper portion of the underframe is fixedly installed with a sliding mechanism, the upper portion of the sliding mechanism is fixedly installed with a moving column, one side of the moving column is fixedly installed with a top frame, the inner bottom portion of the top frame is fixedly installed with a rack, the outer surface of the top frame is movably sleeved with a sliding block, the inner side of the sliding block is rotatably installed with a gear three, the side surface of the gear three is provided with a groove, one side of the inside of the sliding block is fixedly installed with a spring, one end of the spring is fixedly installed with a baffle, one side of the baffle is fixedly installed with a bolt, one end of the bolt extends to the inside of the groove and is movably connected with the groove.

[0007] As a preferred technical scheme of the utility model, the sliding mechanism comprises a motorized slide rod fixedly arranged on the upper portion of the underframe, the outer surface of the motorized slide rod is movably sleeved with a motorized slide block, and the upper portion of the motorized slide block is fixedly connected with the moving column.

[0008] As a preferred technical scheme of the utility model, the inner bottom portion of the underframe is fixedly installed with a motor, and the driving shaft of the motor is fixedly installed with a gear one above, and the gear one and the gear two are mutually engaged.

[0009] As a preferred technical scheme of the utility model, the gear three is located above the rack, and the gear three and the rack are mutually engaged.

[0010] As a preferred technical scheme of the utility model, the bottom portion of the sliding block is movably installed with a pressing rod, the bottom portion of the pressing rod is fixedly installed with a pressing head, the bottom portion of the pressing rod is rotatably installed with a bolt, the top portion of the bolt penetrates the upper and lower sides of the pressing rod and extends to the inside of the sliding block, and the bolt is threadedly sleeved with the sliding block.

[0011] As a preferred technical scheme of the utility model, one side of the underframe is fixedly installed with a controller, the controller is electrically connected with the motor, the motorized slide rod, the motorized slide block and the pressing rod, and the bottom portion of the underframe is fixedly installed with a magnetic suction block.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1、 the utility model discloses a controller starts the motor and drives the rotation of gear one, when gear one rotates, will drive the rotation of the shaft, thereby drive the movement of the threaded rod, again drive the movement of the limiting block and the antiskid plate, compared with the traditional device, the threaded rod of the device can drive the movement of the moving block to any position, can adapt to the engine cylinder cover of different width, compared with the traditional device, through the cooperation between the bolt and the sliding block, the threaded rod of the device is rotated, so that operation is more convenient, also improve the adaptability of the device, make the device more convenient and convenient when using.

[0014] 2, the utility model discloses a baffle is moved to the left with spring is compressed to the left, and then drive the bolt to move out the inside of recess, and then through the movement sliding block, and press -in head is moved to the just above our catheter, compared with traditional device, the device can adjust the position of press -in head according to the position of valve catheter, compared with traditional device, when installing valve oil seal to different interval valve catheter, use different press -in device, and the device can make the device more widely adaptable through the position quota adjustment of press -in head, improve the operation efficiency of device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of the utility model;

[0016] Figure 2 It is the inside structure schematic diagram of the utility model base frame;

[0017] Figure 3 It is the structure schematic diagram of the utility model Figure 2 A place partial enlarged schematic diagram;

[0018] Figure 4 It is the structure schematic diagram of the utility model top frame;

[0019] Figure 5 It is the structure schematic diagram of the utility model gear three;

[0020] Figure 6 It is the structure schematic diagram of the utility model Figure 5 B place partial enlarged schematic diagram;

[0021] Figure 7 It is the structure schematic diagram of the utility model bolt;

[0022] Figure 8 It is the connection structure schematic diagram of the utility model gear one and gear two.

[0023] In the drawing: 1, base frame; 2, controller; 3, motor; 4, gear one; 5, fixed frame; 6, rotating shaft; 7, gear two; 8, threaded rod; 9, moving block; 10, connecting block; 11, limit block; 12, antiskid plate; 13, magnetic suction block; 14, electric sliding rod; 15, electric sliding block; 16, moving column; 17, top frame; 18, rack; 19, sliding block; 20, gear three; 21, recess; 22, spring; 23, baffle; 24, bolt; 25, press bar; 26, press-in head; 27, bolt. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] As shown in Figures 1 to 8 The utility model provides a plurality of valve oil seal synchronous press fitting device, including the chassis 1,

[0026] The bottom of the inner side of chassis 1 is fixedly installed with a fixed frame 5, one side of fixed frame 5 is rotatably installed with a rotating shaft 6, one end of rotating shaft 6 penetrates through the left and right sides of fixed frame 5, the outer surface of rotating shaft 6 is fixedly sleeved with gear two 7, the left and right ends of rotating shaft 6 are both fixedly installed with threaded rods 8, the outer surface of threaded rods 8 is threadedly sleeved with moving blocks 9, the bottom of moving blocks 9 is fixedly installed with connecting blocks 10, the bottom of connecting blocks 10 extends to the bottom of chassis 1, the bottom of connecting blocks 10 is fixedly installed with limit blocks 11, one side of limit blocks 11 is fixedly installed with antiskid plates 12, and connecting blocks 10 are movably connected with chassis 1.

[0027] When the staff uses, the staff first starts motor 3 through controller 2, when motor 3 starts, the rotation of gear one 4 is driven, when gear one 4 rotates, the rotation of gear two 7 is driven, when gear two 7 rotates, the rotation of rotating shaft 6 is driven, when rotating shaft 6 rotates, the rotation of threaded rods 8 is driven, when threaded rods 8 rotate, since moving blocks 9 and threaded rods 8 are threadedly sleeved, the movement of moving blocks 9 is driven along with the rotation of threaded rods 8, when moving blocks 9 move, the movement of connecting blocks 10 is driven, thereby the movement of limit blocks 11 and antiskid plates 12 is driven.

[0028] After the rotation of gear one 4 is driven by starting motor 3 through controller 2, the rotation of rotating shaft 6 is driven when gear one 4 rotates, thereby the movement of threaded rods 8 is driven, and the movement of limit blocks 11 and antiskid plates 12 is driven, compared with the traditional device, the movement of moving blocks 9 can be driven to any position through the rotation of threaded rods 8, can adapt to the engine cylinder cover of different width, compared with the traditional device, through the cooperation between the bolt and the sliding block, the rotation of threaded rods 8 is used to make the operation more convenient, and the adaptability of the device is improved, so that the device is more convenient and convenient when in use.

[0029] The upper side of the bottom frame 1 is fixedly installed with a sliding mechanism, the upper side of the sliding mechanism is fixedly installed with a moving column 16, one side of the moving column 16 is fixedly installed with a top frame 17, the inner bottom of the top frame 17 is fixedly installed with a rack 18, the outer surface of the top frame 17 is movably sleeved with a sliding block 19, the inner side of the sliding block 19 is rotatably installed with a gear three 20, the side surface of the gear three 20 is provided with a groove 21, one side of the inside of the sliding block 19 is fixedly installed with a spring 22, one end of the spring 22 is fixedly installed with a baffle 23, one side of the baffle 23 is fixedly installed with a latch 24, one end of the latch 24 extends to the inside of the groove 21 and is movably connected with the groove 21.

[0030] When the staff uses it, the staff first moves the baffle 23 to the left, when the baffle 23 moves to the left, the spring 22 is compressed, and when the spring 22 is compressed and the baffle 23 moves backward, the latch 24 gradually moves out of the inside of the groove 21, when the latch 24 completely moves out of the inside of the groove 21, the sliding block 19 is moved to drive the movement of the pressing rod 25 and the pressing head 26, when the sliding block 19 moves, the gear three 20 is rotated, the pressing head 26 is moved to the top of the valve guide, and then the baffle 23 is loosened, the spring 22 drives the latch 24 to enter the inside of the groove 21, so that the position of the sliding block 19 is fixed.

[0031] By moving the baffle 23 to the left to drive the spring 22 to compress to the left, and then driving the latch 24 to move out of the inside of the groove 21, and then moving the sliding block 19 to move the pressing head 26 to the top of the valve guide, compared with the traditional device, the device can adjust the position of the pressing head 26 according to the position of the valve guide, compared with the traditional device, when installing the valve oil seal on the valve guide with different distances, different pressing devices are used, and the device can adapt to a wider range by adjusting the position of the pressing head 26, and the operation efficiency of the device is improved.

[0032] The sliding mechanism comprises a motorized slide rod 14 fixedly arranged on the upper side of the bottom frame 1, and the motorized slide rod 14 is movably sleeved with a motorized slide block 15, and the upper side of the motorized slide block 15 is fixedly connected with the moving column 16.

[0033] The controller 2 starts the motorized slide rod 14 to drive the movement of the motorized slide block 15, so as to drive the movement of the moving column 16 and the top frame 17.

[0034] The inner bottom of the bottom frame 1 is fixedly installed with a motor 3, the driving shaft of the motor 3 is fixedly installed with a gear one 4, and the gear one 4 is meshed with a gear two 7.

[0035] The controller 2 starts the motor 3 to drive the rotation of the gear one 4, so as to drive the rotation of the gear two 7 through the rotation of the gear one 4.

[0036] Among them, gear 3 20 is located above rack 18, and gear 3 20 meshes with rack 18.

[0037] The design of gear 20 and rack 18 ensures that gear 20 rotates when sliding block 19 moves, and gear 20 cannot rotate when sliding block 19 is fixed, thus preventing sliding block 19 from moving.

[0038] Among them, a pressure rod 25 is movably installed at the bottom of the sliding block 19, a press head 26 is fixedly installed at the bottom of the pressure rod 25, and a bolt 27 is rotatably installed at the bottom of the pressure rod 25. The top of the bolt 27 passes through the upper and lower sides of the pressure rod 25 and extends into the interior of the sliding block 19. The bolt 27 is threadedly connected to the sliding block 19.

[0039] The controller 2 activates the pressure rod 25 to move the pressing head 26 downward, thereby installing the valve oil seal above the valve guide on the outer surface of the valve guide.

[0040] The base frame 1 has a controller 2 fixedly installed on one side. The controller 2 is electrically connected to the motor 3, electric slide bar 14, electric slider 15 and pressure bar 25. The base frame 1 has a magnetic block 13 fixedly installed at the bottom.

[0041] The controller 2 is designed to control the operation of the device, and the magnetic block 13 enables the device to be magnetically attached to the top of the engine cylinder head.

[0042] Working principle and usage process of this utility model:

[0043] When the operator uses the device, they first start the motor 3 via the controller 2. When the motor 3 starts, it drives the first gear 4 to rotate. When the first gear 4 rotates, it drives the second gear 7 to rotate. When the second gear 7 rotates, it drives the rotating shaft 6 to rotate. When the rotating shaft 6 rotates, it drives the threaded rod 8 to rotate. When the threaded rod 8 rotates, since the moving block 9 and the threaded rod 8 are threadedly connected, the rotation of the threaded rod 8 drives the moving block 9 to move. When the moving block 9 moves, it drives the connecting block 10 to move, thereby driving the limit block 11 and the anti-slip plate 12 to move.

[0044] When the worker uses it, the worker first moves the baffle 23 to the left, when the baffle 23 moves to the left, the spring 22 is compressed, with the spring 22 being compressed and the baffle 23 moving backward, the plug 24 gradually moves out of the inside of the recess 21, when the plug 24 completely moves out of the inside of the recess 21, the movement of the pressure rod 25 and the pressing head 26 is driven by moving the sliding block 19, when the sliding block 19 moves, the gear three 20 rotates, the pressing head 26 moves to the top of the valve guide, then the baffle 23 is loosened, the spring 22 drives the plug 24 to enter the inside of the recess 21, thereby fixing the position of the sliding block 19.

[0045] It is to be understood that the terminology used herein such as first and second, and the like, is merely intended to differentiate one entity or action from another without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the use of the term "including", "containing" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not required to comprise only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0046] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the changes, modifications, equivalents, substitutions and variations of the embodiments can be made by those skilled in the art without departing from the spirit and scope of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for synchronous pressing of multiple valve stem seals, comprising a base frame (1), characterized in that: A fixed frame (5) is fixedly installed on the bottom of the inner side of the base frame (1). A rotating shaft (6) is rotatably installed on one side of the fixed frame (5). One end of the rotating shaft (6) passes through the left and right sides of the fixed frame (5). A gear (7) is fixedly sleeved on the outer surface of the rotating shaft (6). Threaded rods (8) are fixedly installed on both the left and right ends of the rotating shaft (6). A moving block (9) is threadedly sleeved on the outer surface of the threaded rod (8). A connecting block (10) is fixedly installed at the bottom of the moving block (9). The bottom of the connecting block (10) extends to the bottom of the base frame (1). A limiting block (11) is fixedly installed at the bottom of the connecting block (10). An anti-slip plate (12) is fixedly installed on one side of the limiting block (11). The connecting block (10) is movably connected to the base frame (1).

2. The device for synchronous pressing of multiple valve stem seals according to claim 1, characterized in that: A sliding mechanism is fixedly installed above the base frame (1), a moving column (16) is fixedly installed above the sliding mechanism, a top frame (17) is fixedly installed on one side of the moving column (16), a rack (18) is fixedly installed on the bottom inner side of the top frame (17), a sliding block (19) is movably sleeved on the outer surface of the top frame (17), a gear three (20) is rotatably installed on the inner side of the sliding block (19), a groove (21) is opened on the side of the gear three (20), a spring (22) is fixedly installed on one side inside the sliding block (19), a baffle (23) is fixedly installed on one end of the spring (22), a pin (24) is fixedly installed on one side of the baffle (23), and one end of the pin (24) extends into the interior of the groove (21) and is movably connected to the groove (21).

3. The device for synchronous pressing of multiple valve stem seals according to claim 2, characterized in that: The sliding mechanism includes an electric slide rod (14) fixedly mounted above the base frame (1), an electric slider (15) movably sleeved on the outer surface of the electric slide rod (14), and the upper part of the electric slider (15) is fixedly connected to the moving column (16).

4. The device for synchronous pressing of multiple valve stem seals according to claim 1, characterized in that: A motor (3) is fixedly installed on the bottom of the inner side of the base frame (1), and a gear (4) is fixedly installed above the drive shaft of the motor (3). The gear (4) meshes with the gear (7).

5. The device for synchronous pressing of multiple valve stem seals according to claim 2, characterized in that: The gear three (20) is located above the rack (18), and the gear three (20) meshes with the rack (18).

6. The device for synchronous pressing of multiple valve stem seals according to claim 2, characterized in that: A pressure rod (25) is movably installed at the bottom of the sliding block (19). A press head (26) is fixedly installed at the bottom of the pressure rod (25). A bolt (27) is rotatably installed at the bottom of the pressure rod (25). The top of the bolt (27) passes through the upper and lower sides of the pressure rod (25) and extends into the interior of the sliding block (19). The bolt (27) is threadedly connected to the sliding block (19).

7. The device for synchronous pressing of multiple valve stem seals according to claim 1, characterized in that: A controller (2) is fixedly installed on one side of the base frame (1). The controller (2) is electrically connected to the motor (3), electric slide bar (14), electric slider (15) and pressure bar (25). A magnetic block (13) is fixedly installed at the bottom of the base frame (1).