CN115218109B - Electric grease gun joint - Google Patents
Electric grease gun joint Download PDFInfo
- Publication number
- CN115218109B CN115218109B CN202210924080.4A CN202210924080A CN115218109B CN 115218109 B CN115218109 B CN 115218109B CN 202210924080 A CN202210924080 A CN 202210924080A CN 115218109 B CN115218109 B CN 115218109B
- Authority
- CN
- China
- Prior art keywords
- pipe body
- sliding sleeve
- clamping jaw
- sleeve
- elastic piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004519 grease Substances 0.000 title claims abstract description 22
- 238000002347 injection Methods 0.000 claims abstract description 52
- 239000007924 injection Substances 0.000 claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 210000000078 claw Anatomy 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 235000014121 butter Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N3/00—Devices for supplying lubricant by manual action
- F16N3/10—Devices for supplying lubricant by manual action delivering grease
- F16N3/12—Grease guns
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/091—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
- F16L37/40—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied
- F16L37/407—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied the lift valve being of the ball type
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention belongs to the technical field of connection of electric tools, in particular to an electric grease gun connector, which comprises a shell, wherein a pipe body is fixedly arranged in the shell, a flow passage is arranged in the pipe body, and a plurality of clamping jaws are arranged at the end part of the pipe body; the pipe body is provided with a sliding sleeve at the position of the clamping jaw, the sliding sleeve is moved, and the sliding sleeve pushes the clamping jaw to converge inwards; a motor is fixedly arranged in the shell, a transmission part is arranged between the motor and the sliding sleeve, the motor rotates, and the transmission part can enable the sliding sleeve to slide back and forth on the pipe body; the inside of the tube body is provided with a soft rubber injection plug, an injection channel is arranged in the injection plug, an elastic piece is arranged in the tube body, and the elastic piece gives a force for the injection plug to move towards one end of the clamping jaw; the shell is internally provided with a button, a battery and a control circuit board, and the circuit board can control the motor to rotate positively and negatively when the button is pressed. The invention provides an electric grease gun joint which is convenient to operate and is tightly connected.
Description
Technical Field
The invention belongs to the technical field of connection of electric tools, and particularly relates to an electric grease gun connector.
Background
At present, grease is often required to be injected between mechanical parts in the mechanical field, wherein a grease gun is used for connecting a joint structure, and grease is injected between the mechanical parts for lubrication, so that the effects of protecting and prolonging the service life are achieved. For example, chinese patent CN202122469897.0, a dual-handle grease gun flat nozzle, which comprises a hollow flat nozzle main body, a movable sleeve is sleeved outside the flat nozzle main body, a claw is formed at the front end of the flat nozzle main body, the claw is wrapped in the sleeve, two rotatable handles are arranged on the sleeve, the two handles are symmetrically arranged at two sides of the sleeve, a clamping groove is formed in the middle of the flat nozzle main body, a latch adapted to the clamping groove is formed on the handle, the latch is clamped in the clamping groove, when the handle is pressed, the sleeve can move downwards relative to the flat nozzle main body, and when the sleeve moves downwards, the claw is exposed out of the sleeve, and the claw is unfolded; a reset piece is arranged between the flat nozzle main body and the sleeve. The product of this patent has been controlled by two hands to provide more effort to the operator, but the joint still requires laborious actuation by the user. In addition, the sealing part of the oil way is not involved in the channel of the patent product, and if the sealing performance cannot be ensured, the joint is arranged instead, which is a trouble.
Disclosure of Invention
The invention aims to provide an electric grease gun joint which is convenient to operate and is tightly connected.
The purpose of the invention is realized in the following way:
an electric grease gun joint comprises a shell, wherein a pipe body is fixedly arranged in the shell, a flow channel is arranged in the pipe body, and a plurality of clamping jaws are arranged at the end part of the pipe body;
The pipe body is provided with a sliding sleeve at the position of the clamping jaw, the sliding sleeve is moved, and the sliding sleeve pushes the clamping jaw to converge inwards;
A motor is fixedly arranged in the shell, a transmission part is arranged between the motor and the sliding sleeve, the motor rotates, and the transmission part can enable the sliding sleeve to slide back and forth on the pipe body;
The inside of the tube body is provided with a soft rubber injection plug, an injection channel is arranged in the injection plug, an elastic piece is arranged in the tube body, and the elastic piece gives a force for the injection plug to move towards one end of the clamping jaw;
The shell is internally provided with a button, a battery and a control circuit board, and the circuit board can control the motor to rotate positively and negatively when the button is pressed.
The end part of the pipe body is integrally formed with a plurality of clamping jaws.
A step part is formed in the pipe body, one end of the elastic piece is abutted against the step part, and the other end of the elastic piece is abutted against the plunger.
The pipe body is internally provided with a sleeve in a sliding mode, the injection plug is sleeved on the sleeve, a convex edge is formed on one side of the elastic piece, the convex edge abuts against the end portion of the sleeve, and the outer side of the convex edge abuts against the inner side wall of the pipe body.
The injection plug is provided with a spring abutting inclined plane at the abutting position of the elastic piece, and the injection plug laterally expands and abuts against the inner side wall of the pipe body under the action of the elastic piece and the spring abutting inclined plane; the injection channel in the injection plug is conical, and the caliber of a discharge hole of the injection channel is small.
The transmission part comprises a driving rod, the driving rod is fixedly connected with an output shaft of the motor, external threads are arranged on the driving rod, a fixing seat is fixed on the sliding sleeve, and the fixing seat is in threaded connection with the driving rod.
A retaining sleeve is fixed in the shell, the fixed seat slides on the inner side of the retaining sleeve,
The fixing seat is fixed on the sliding sleeve in a welding mode, an internal threaded hole is formed in the fixing seat, and the driving rod penetrates through the internal threaded hole.
The clamping jaws are in a converging state and are positioned on the inner side of the sliding sleeve; the clamping jaw is not acted by the sliding sleeve, and the clamping jaw is positioned at the outer side of the sliding sleeve.
The outer sides of the clamping jaws are provided with inclined planes, and the sliding sleeve synchronously inwards converges the clamping jaws through the inclined planes; the pipe body is a metal pipe body, and a thread part is arranged at the other end of the clamping jaw of the pipe body.
Compared with the prior art, the invention has the following outstanding and beneficial technical effects:
1. The invention adopts an electric mode to drive, realizes the forward and backward movement of the sliding sleeve through the forward and backward rotation of the motor, and adopts the electric mode to simplify the operation of a user. The sliding sleeve moves backwards or is kept at the rear part, the sliding sleeve does not act on the clamping jaw, a user can align the clamping jaw with the externally connected joint, the externally connected joint can push away the elastic clamping jaw and enter the clamping jaw, and the sliding sleeve waits to move and realize clamping connection; when the sliding sleeve moves forwards, the sliding sleeve enables the pushing clamping jaws to converge inwards, so that the clamping jaws can grasp the externally connected joint.
2. The invention has a unique sealing structure: a. when a user pushes the externally connected connector into the clamping jaw, the externally connected connector needs to overcome the acting force of the elastic piece and is abutted against the connector, the connector can be effectively abutted against the connector due to the soft characteristic of the connector and the pushing of the elastic piece, the connector can be tightly connected with the connector in a flexible abutting mode, and the clamping jaw only needs to prevent the externally connected connector from being separated; b. in order to enable the soft injection plug to continuously slide in the pipe body and not easily deform laterally, a sleeve is sleeved outside the soft injection plug, a part of the soft injection plug is positioned in the sleeve, and the soft injection plug directly abuts against the pipe body on one side of the elastic piece; c. the injection plug is provided with a spring propping inclined plane at the propping position of the elastic piece, and under the action of the elastic piece and the spring propping inclined plane, the spring propping inclined plane laterally expands and is propped against the inner side wall of the pipe body.
3. The transmission part adopts a mechanical structure for transmission, so that the stability of a transmission part is ensured. A retaining sleeve is fixed in the shell, the fixed seat slides on the inner side of the retaining sleeve, and the movement of the fixed seat is limited by the retaining sleeve, so that the stability of the movement of the sliding sleeve and the fixed seat is ensured; and the movable area is formed in the retaining sleeve, so that the continuous movement of the transmission part can be ensured as long as the movable area is lubricated, the transmission area is centralized, and the assembly and the lubrication treatment are facilitated.
Drawings
FIG. 1 is one of the structural schematic diagrams of the present invention;
FIG. 2 is a second schematic diagram of the structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A of FIG. 3;
FIG. 5 is a schematic diagram of an exploded construction of the present invention;
FIG. 6 is a schematic view of the structure of the transmission of the present invention with the jaws in an unbound state;
FIG. 7 is a schematic view of the structure of the present invention with the jaws of the transmission part in a restrained condition;
FIG. 8 is a schematic view of the internal structure of the transmission part of the present invention in a clamped joint condition;
FIG. 9 is an enlarged schematic view of the structure at B of FIG. 8;
FIG. 10 is an enlarged schematic view of the structure of FIG. 8 at C;
FIG. 11 is one of the schematic exploded views of the transmission portion of the present invention;
Fig. 12 is a second schematic exploded view of the transmission part of the present invention.
In the figure: 1-a housing; 11-a retaining sleeve; 2-sliding sleeve; 21-a fixed seat; 211-an internal threaded hole; 3-a tube body; 31-clamping jaw; 311-inclined plane; 38-a step; 39-a threaded portion; 4-an electric motor; 41-an output shaft; 42-driving rod; 5-pouring plug; 51-sleeve; 52-convex edges; 53-spring against ramp; 54-conical inner wall; 6-elastic members; 7-a circuit board; 71-a button; 8-battery; 9-linker; 91-steel balls; 92-spring; 93-a connector connection groove.
Detailed Description
The invention is further described in the following by way of specific embodiments with reference to the accompanying drawings, which are shown in fig. 1-12:
an electric grease gun joint comprises a shell 1, wherein a pipe body 3 is fixedly arranged in the shell 1, a flow passage is arranged in the pipe body 3, and a plurality of clamping jaws 31 are arranged at the end part of the pipe body 3; the pipe body 3 is provided with a sliding sleeve 2 at the position of the clamping jaw 31, the sliding sleeve 2 is moved, and the sliding sleeve 2 pushes the clamping jaw 31 to converge inwards; preferably, the end part of the pipe body 3 is integrally formed with a plurality of clamping jaws 31, and the whole pipe body is made of metal materials, so that the structural stability of the pipe body 3 is ensured. When the user connects the grease gun outward, he needs to push the clamping jaw 31 into the externally connected joint 9, so that the externally connected joint 9 overcomes the elasticity of the clamping jaw 31 and enters the clamping jaw 31. The external connector 9 enters the clamping jaw 31, the user has connected feedback, and the user presses the button 71 again to drive the motor 4 to move.
A motor 4 is fixedly arranged in the shell 1, a transmission part is arranged between the motor 4 and the sliding sleeve 2, the motor 4 rotates, and the transmission part can enable the sliding sleeve 2 to slide back and forth on the pipe body 3; the sliding sleeve 2 moves forwards and backwards through the forward and backward rotation of the motor 4. The sliding sleeve 2 moves backwards or is kept at the rear, the sliding sleeve 2 does not act on the clamping jaw 31, a user can align the clamping jaw 31 with the externally connected joint 9, the externally connected joint 9 can push the elastic clamping jaw 31 open and enter the clamping jaw 31, and the sliding sleeve 2 waits to move and realize clamping connection; as the sliding sleeve 2 moves forward, the sliding sleeve 2 causes the pushing jaws 31 to converge inwardly, thereby effecting gripping of the externally connected joint 9 by the jaws 31.
The externally connected joint is shown in fig. 8 and 9. The externally connected connector 9 is provided with a one-way valve, and the steel ball 91 and the spring 92 form the one-way valve, so that the electric grease gun connector is not additionally provided with the one-way valve, and the clamping jaw 31 is meshed with the connector connecting groove 93 to realize connection.
The inside soft rubber injection plug 5 that is equipped with of body 3 is provided with injection passage in the injection plug 5, is equipped with elastic component 6 in the body 3, and elastic component 6 gives the injection plug and moves towards clamping jaw 31 one end power. The elastic member 6 is preferably a spring, an elastic soft rubber, or the like. When the soft injection plug 5 is adopted, and a user pushes the externally connected connector 9 into the clamping jaw 31, the externally connected connector 9 needs to overcome the acting force of the elastic piece 6 and is abutted against the injection plug 5, and the injection channel of the injection plug 5 can be effectively abutted against the connector 9 due to the soft characteristic of the injection plug and the pushing of the elastic piece, and the clamping jaw 31 only needs to prevent the externally connected connector 9 from being separated. The jaw 31 not only has the function of preventing the stopper 5 from being detached from the jaw 31 side, but also allows the stopper 5 to wait for the external joint 9 to enter by the structure, and the external joint 9 needs to push the stopper 5 to move toward the inside of the tube body 3, which is beneficial to the tight connection between the joint 9 and the stopper 5. Preferably, the sliding sleeve 2 is far away from the clamping jaw 31, the clamping jaw 31 is reset under the self elasticity, and the externally connected joint 9 can overcome the elasticity of the clamping jaw 31 so as to enter and exit the clamping jaw 31.
In order to enable the soft injection plug 5 to continuously slide in the pipe body 3 and not easily deform laterally, a metal sleeve 51 is sleeved outside the soft injection plug 5, a part of the soft injection plug 5 is positioned in the sleeve 51, and the soft injection plug 5 directly abuts against the pipe body 3 on one side of the elastic piece 6. Preferably, the stopper 5 forms a ledge 52 on one side of the elastic member 6, the ledge 52 abutting against the end of the sleeve 51, and the outer side of the ledge 52 abutting against the inner side wall of the tube 3. The flange 52 of the stopper 5 can abut against the end of the sleeve 51, so that the circumferential expansion achieves a seal between the stopper 5 and the tubular body 3.
In order to make the sealing effect between the pouring stopper 5 and the tube body 3 better, the following structure is provided: the injection plug 5 is provided with a spring abutting inclined plane 53 at the abutting position of the elastic piece 6, and under the action of the elastic piece 6 and the spring abutting inclined plane 53, the injection plug 5 laterally expands and abuts against the inner side wall of the pipe body 3, and the larger the acting force of the elastic piece 6 is, the better the sealing effect is. Preferably, the injection channel in the injection plug 5 is cone-shaped, and the caliber of the discharge hole of the injection channel is small. The conical injection channel can be effectively connected with the small-caliber external joint 9, and has the function of expanding the injection plug 5 laterally, so that the sealing effect between the injection plug 5 and the pipe body 3 is better. The greater the pressure of the flowing butter in the tube body 3, the better the sealing effect.
A retaining sleeve 11 is fixed in the shell 1, the fixed seat 21 slides inside the retaining sleeve 11, and the movement of the fixed seat 21 is limited by the retaining sleeve 11, so that the movement stability of the sliding sleeve 2 and the fixed seat 21 is ensured; and the movable area is formed in the retaining sleeve 11, so that the continuous movement of the transmission part can be ensured as long as the movable area is lubricated, the transmission area is centralized, and the assembly and the lubrication treatment are facilitated.
The pipe body 3 is internally provided with a step part 38, one end of the elastic piece 6 is abutted against the step part 38, and the other end is abutted against the pouring plug 5. Preferably, the step 38 is an annular flange integrally formed on the inner side of the pipe body 3, and the annular flange may be formed by a process such as stamping, rolling, or the like.
The preferable transmission part adopts a mechanical structure of screw transmission, and can be a conventional structure such as gear transmission, gear rack transmission, ratchet transmission and the like which are common in the market, so long as the sliding sleeve 2 is driven by the motor 4 and realizes reciprocating movement. The transmission part comprises a driving rod 42, the driving rod 42 is fixedly connected with an output shaft 41 of the motor 4, external threads are arranged on the driving rod 42, a fixed seat 21 is fixed on the sliding sleeve 2, and the fixed seat 21 is in threaded connection with the driving rod 42.
Preferably, the fixing base 21 is fixed on the sliding sleeve 2 by welding, an internal threaded hole 211 is formed on the fixing base 21, and the driving rod 42 is inserted into the internal threaded hole 211. The most simple structure is used for stable connection.
The clamping jaw 31 is in a converging state, and the clamping jaw 31 is positioned at the inner side of the sliding sleeve 2; the clamping jaw 31 is not acted by the sliding sleeve 2, and the clamping jaw 31 is positioned outside the sliding sleeve 2. When the jaw 31 is exposed, it can be observed by the naked eye of a user that this state is in the unlocked state; when the clamping jaw 31 is positioned in the concealed slide sleeve 2, the user can observe that the clamping jaw is in a locking state by naked eyes. Is beneficial to the user to distinguish. And when the locking state, clamping jaw 31 is hidden in sliding sleeve 2, can effectively guarantee the effect that clamping jaw 31 locked, effectively avoid clamping jaw 31 side direction to expand, guarantee the stability of locking.
An inclined surface 311 is arranged on the outer side of each clamping jaw 31, and the sliding sleeve 2 synchronously inwards converges a plurality of clamping jaws 31 through the inclined surfaces 311; the other end of the pipe body 3, which is arranged at the clamping jaw 31, is provided with a thread part 39, and the external grease gun can be connected through the thread part 39, and of course, common connection modes such as a buckle, interference connection and the like can also be adopted.
The circuit board 7 is an external cooperative part, and is sent to a circuit board manufacturer according to the requirement, the circuit board manufacturer can manufacture the corresponding circuit board 7 according to the requirement, and only the size and the mounting hole position of the circuit board 7 are given to the user, and the circuit board 7 is taken to be mounted in the shell 1. The push-button switch may be a contact switch, a mechanical switch, a shock switch, etc. that is directly mounted on the circuit board. The motor is controlled to rotate positively and negatively by various switches on the market, and then the motor stops rotating after a certain time is easy to realize by a person skilled in the art, and the circuit part is not the protection focus of the invention, so the circuit part is not specifically described.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (7)
1. An electric grease gun joint, characterized in that: the pipe comprises a shell (1), wherein a pipe body (3) is fixedly arranged in the shell (1), a flow channel is arranged in the pipe body (3), and a plurality of clamping jaws (31) are arranged at the end part of the pipe body (3);
the pipe body (3) is provided with a sliding sleeve (2) at the position of the clamping jaw (31), the sliding sleeve (2) is moved, and the sliding sleeve (2) pushes the clamping jaw (31) to converge inwards;
a motor (4) is fixedly arranged in the shell (1), a transmission part is arranged between the motor (4) and the sliding sleeve (2), the motor (4) rotates, and the transmission part can enable the sliding sleeve (2) to slide back and forth on the pipe body (3);
The injection device is characterized in that a soft rubber injection plug (5) is arranged in the pipe body (3), an injection channel is arranged in the injection plug (5), an elastic piece (6) is arranged in the pipe body (3), and the elastic piece (6) gives force for the injection plug (5) to move towards one end of the clamping jaw (31);
a button (71), a battery (8) and a control circuit board (7) are arranged in the shell (1), the button (71) is pressed down, and the circuit board (7) can control the motor (4) to rotate forwards and backwards;
The transmission part comprises a driving rod (42), the driving rod (42) is fixedly connected with an output shaft (41) of the motor, external threads are arranged on the driving rod (42), a fixed seat (21) is fixed on the sliding sleeve (2), and the fixed seat (21) is in threaded connection with the driving rod (42);
a retaining sleeve (11) is fixed in the shell (1), and a fixing seat (21) slides inside the retaining sleeve (11);
The clamping jaws (31) are in a converging state, and the clamping jaws (31) are positioned on the inner side of the sliding sleeve (2); the clamping jaw (31) is not acted by the sliding sleeve (2), and the clamping jaw (31) is positioned outside the sliding sleeve (2).
2. The electric grease gun joint of claim 1, wherein: the end part of the pipe body (3) is integrally formed with a plurality of clamping jaws (31).
3. An electric grease gun joint according to claim 1 or 2, characterized in that: a step part (38) is formed in the pipe body (3), one end of the elastic piece (6) is abutted against the step part (38), and the other end of the elastic piece is abutted against the pouring stopper (5).
4. An electric grease gun joint as recited in claim 3, wherein: the inner sliding type pipe body (3) is provided with a sleeve (51), the injection plug (5) is sleeved on the sleeve (51), a convex edge (52) is formed on one side of the elastic piece (6) of the injection plug (5), the convex edge (52) abuts against the end part of the sleeve (51), and the outer side of the convex edge (52) abuts against the inner side wall of the pipe body (3).
5. The electric grease gun joint according to claim 1 or 2 or 4, wherein: the injection plug (5) is provided with a spring abutting inclined plane (53) at the abutting position of the elastic piece, and under the action of the elastic piece (6) and the spring abutting inclined plane (53), the injection plug (5) laterally expands and abuts against the inner side wall of the pipe body (3); the injection channel in the injection plug (5) is cone-shaped, and the caliber of a discharge hole of the injection channel is small.
6. The electric grease gun joint of claim 1, wherein: the fixed seat (21) is fixed on the sliding sleeve (2) in a welding mode, an internal threaded hole (211) is formed in the fixed seat (21), and the driving rod (42) is arranged in the internal threaded hole (211) in a penetrating mode.
7. The electric grease gun joint of claim 1, wherein: an inclined plane (311) is arranged on the outer side of each clamping jaw (31), and the sliding sleeve (2) synchronously inwards converges the clamping jaws (31) through the inclined plane; the pipe body (3) is a metal pipe body (3), and a thread part (39) is arranged at the other end of the clamping jaw (31) of the pipe body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210924080.4A CN115218109B (en) | 2022-08-02 | 2022-08-02 | Electric grease gun joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210924080.4A CN115218109B (en) | 2022-08-02 | 2022-08-02 | Electric grease gun joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115218109A CN115218109A (en) | 2022-10-21 |
| CN115218109B true CN115218109B (en) | 2024-05-21 |
Family
ID=83616399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210924080.4A Active CN115218109B (en) | 2022-08-02 | 2022-08-02 | Electric grease gun joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115218109B (en) |
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| WO2018046396A1 (en) * | 2016-09-12 | 2018-03-15 | Mato Gmbh & Co. Kg | Coupling device for connecting to a lubricating nipple |
| CN208348915U (en) * | 2018-06-15 | 2019-01-08 | 金舟机械工业股份有限公司 | Grease gun oiling joint improved structure |
| CN110822195A (en) * | 2019-11-07 | 2020-02-21 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Automatic disengaging device of card formula fire control interface |
| CN112325026A (en) * | 2020-11-18 | 2021-02-05 | 四川千页科技股份有限公司 | Automatic control fire hydrant hose interface arrangement that drops |
| CN112610753A (en) * | 2020-12-04 | 2021-04-06 | 北京京润园林绿化工程有限公司 | Connection structure between pipelines for gardens |
| CN216556418U (en) * | 2021-11-30 | 2022-05-17 | 田越 | Flat nozzle of grease gun |
| CN216769023U (en) * | 2021-11-29 | 2022-06-17 | 方丽 | Integrated grease gun nozzle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202016105383U1 (en) * | 2016-09-27 | 2018-01-02 | UMETA Hermann Ulrichskötter Metallwarenfabrik GmbH & Co. KG | Coupling for lubrication lines |
| US20210116069A1 (en) * | 2018-04-18 | 2021-04-22 | Univer-Co (2013) Inc. | Grease Gun Coupler |
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2022
- 2022-08-02 CN CN202210924080.4A patent/CN115218109B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018046396A1 (en) * | 2016-09-12 | 2018-03-15 | Mato Gmbh & Co. Kg | Coupling device for connecting to a lubricating nipple |
| CN208348915U (en) * | 2018-06-15 | 2019-01-08 | 金舟机械工业股份有限公司 | Grease gun oiling joint improved structure |
| CN110822195A (en) * | 2019-11-07 | 2020-02-21 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Automatic disengaging device of card formula fire control interface |
| CN112325026A (en) * | 2020-11-18 | 2021-02-05 | 四川千页科技股份有限公司 | Automatic control fire hydrant hose interface arrangement that drops |
| CN112610753A (en) * | 2020-12-04 | 2021-04-06 | 北京京润园林绿化工程有限公司 | Connection structure between pipelines for gardens |
| CN216769023U (en) * | 2021-11-29 | 2022-06-17 | 方丽 | Integrated grease gun nozzle |
| CN216556418U (en) * | 2021-11-30 | 2022-05-17 | 田越 | Flat nozzle of grease gun |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115218109A (en) | 2022-10-21 |
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