CN219606704U - Manual oil injector and steering joint thereof - Google Patents
Manual oil injector and steering joint thereof Download PDFInfo
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- CN219606704U CN219606704U CN202320093653.3U CN202320093653U CN219606704U CN 219606704 U CN219606704 U CN 219606704U CN 202320093653 U CN202320093653 U CN 202320093653U CN 219606704 U CN219606704 U CN 219606704U
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Abstract
The utility model belongs to the technical field of grease injection devices. A manual oil feeder steering joint comprising: the shell is provided with a vertical oil inlet channel and an oil outlet channel; the sealing assembly is arranged in the shell and comprises a first sealing piece and a second sealing piece which are matched with each other, an oil conveying channel is arranged on the second sealing piece, and the oil conveying channel is communicated with the oil inlet channel; the first sealing assembly is far away from or close to the second sealing assembly, so that the oil conveying channel is communicated with or not communicated with the oil outlet channel, and the on-off of an oil way between the oil inlet channel and the oil outlet channel is realized. The utility model also discloses a manual oil injector which comprises the steering joint. The utility model is used for solving the technical problem that the oil outlet on the cover body of the conventional manual oil injector is unidirectionally arranged and the oil outlet direction is inconvenient to change.
Description
Technical Field
The utility model belongs to the technical field of grease injection devices, and particularly relates to a steering joint of a manual grease injector and the manual grease injector comprising the steering joint.
Background
Grease guns, also known as manual grease dispensers. The Chinese patent specification of publication No. CN217714487U, 11/2022/11/1 discloses a high-reliability grease gun exhaust device, which comprises an oil storage shell, a grease gun cover, a movable handle, a single-way valve, a handle and a safety lock catch. Wherein the grease gun cover is provided with an oil outlet, and the oil outlet is vertically arranged. Because the oil outlet is vertically arranged, when the working environment requiring the transverse arrangement of the oil outlet is met, the conversion cannot be carried out, the gun cover requiring the transverse arrangement of the oil outlet is directly replaced, and the steering is inconvenient. Even if the oil outlet is connected with the oil outlet pipe for bending and steering, when the grease gun is used, the grease storage shell needs to be held by one hand, the movable handle is held by the other hand, and when the grease gun is operated by a single person, the bent oil pipe cannot be held, so that the bending and steering of the oil pipe are difficult. If two persons operate, the manpower is increased, and the use is inconvenient.
Disclosure of Invention
The utility model provides a steering joint of a manual oil injector, which is used for solving the technical problem that an oil outlet on a cover body of the conventional manual oil injector is unidirectionally arranged and the direction of the oil outlet is inconvenient to change.
In order to solve the technical problems, the utility model adopts the following technical scheme that the manual oil injector steering joint comprises:
the shell is provided with a vertical oil inlet channel and an oil outlet channel;
the sealing assembly is arranged in the shell and comprises a first sealing piece and a second sealing piece which are matched with each other, an oil conveying channel is arranged on the second sealing piece, and the oil conveying channel is communicated with the oil inlet channel; the first sealing assembly is far away from or close to the second sealing assembly, so that the oil conveying channel is communicated with or not communicated with the oil outlet channel, and the on-off of an oil way between the oil inlet channel and the oil outlet channel is realized.
According to the utility model, the oil inlet channel and the oil outlet channel which are mutually perpendicular are designed on the steering joint, the on-off of the oil inlet channel and the oil outlet channel is realized by utilizing the cooperation of the first sealing component and the second sealing component, the 90-degree steering of the oil inlet is carried out, the gun cover is not required to be replaced, and the use is convenient, and the utility model specifically comprises the following steps: under the action of external force, the acting force of the first sealing component to the second sealing component is overcome, and the first sealing component is far away from the second sealing component, so that the oil delivery channel is communicated with the oil outlet channel, and the communication of an oil way between the oil inlet channel and the oil outlet channel is realized; and applying pressure to the first sealing element, wherein the first sealing assembly is close to the second sealing assembly, so that the oil delivery channel and the oil outlet channel are not communicated, and disconnection of an oil way between the oil inlet channel and the oil outlet channel is realized. When the vertical oil outlet is required to be turned, the gun cover does not need to be replaced, and the turning of the oil way can be realized only by installing the adapter, so that the use is convenient.
In order to solve the technical problem of how to match a first sealing element and a second sealing element to realize oil inlet and outlet on-off, the utility model adopts the following technical scheme that the first sealing element comprises:
the conical part is used for closing or opening the oil conveying channel;
the cylindrical part is arranged above the conical part and is used for closing or opening the oil outlet channel;
the second sealing piece is provided with a conical groove matched with the conical part.
The utility model realizes the opening and closing of the oil delivery channel and the oil outlet channel by utilizing the up-and-down movement of the first sealing element, which is specifically as follows: the cone-shaped part moves downwards to be tightly attached to the cone-shaped groove to seal the oil delivery channel, and meanwhile, the column-shaped part moves downwards to the oil delivery channel to seal the oil delivery channel; the conical part moves upwards and is far away from the conical groove to open the oil delivery channel, and meanwhile, the cylindrical part moves upwards to the upper part of the oil delivery channel to open the oil delivery channel.
The utility model utilizes the cylindrical part and the conical part to realize secondary closing and opening, thereby effectively preventing oil leakage.
The conical part and the conical groove have low processing difficulty and low manufacturing cost.
In order to solve the technical problem how to realize the up-and-down movement of the first sealing element, the utility model adopts the following technical scheme that the manual oil injector steering joint further comprises:
and the compressing piece is arranged on the shell and is used for elastically compressing the first sealing piece on the second sealing piece, so that the oil conveying channel is not communicated with the oil outlet channel. The elastic compression is realized by the compression piece, and the use is convenient.
In order to solve the technical problem of how to realize elastic compression, the utility model adopts the following technical scheme that the compression piece comprises:
an elastic member disposed within the housing and above the first seal member;
and the end cover is connected with the shell and compresses the elastic piece, so that the first sealing piece is elastically compressed on the second sealing piece.
According to the utility model, the end cover is used as a supporting point of the elastic piece, and the elastic compression of the first sealing piece is realized through the expansion and contraction of the elastic piece, so that the structure is simple, and the installation is convenient.
In order to solve the technical problem of positioning the lower end of the elastic piece, the utility model adopts the following technical scheme that the first sealing piece further comprises:
and the elastic piece positioning piece is arranged above the cylindrical part and used for positioning the lower end of the elastic piece.
In order to solve the technical problem how to realize the elastic piece positioning piece, the utility model adopts the following technical scheme that the elastic piece positioning piece is a first boss, the first boss and the second sealing piece are coaxially arranged, and the first boss is positioned in the lower end of the elastic piece. The first boss is located in the elastic piece, positions the inner side of the elastic piece, and prevents the elastic piece from deviating under the action of pressure.
In order to solve the technical problem how to realize the elastic piece positioning piece, the utility model adopts the following technical scheme that the elastic piece positioning piece comprises a second boss, a first annular positioning groove is arranged on the second boss, and the lower end of the elastic piece is arranged in the first annular positioning groove. The first boss is arranged in the first annular positioning groove and is used for positioning the inner side and the outer side of the elastic piece, so that the elastic piece is further effectively prevented from deviating under the action of pressure, and the oil leakage problem is caused.
In order to solve the technical problem of how to connect the end cover with the shell, the utility model adopts the following technical scheme that a convex ring is arranged on the end cover and is connected with the shell through internal threads.
According to the utility model, the convex ring is arranged on the end cover, the outer thread is processed on the convex ring, the inner thread is processed on the shell, and the convex ring is in threaded connection, so that self-locking is realized; secondly, the end cover is connected with the outer circumference of the shell in an internal thread way, so that the end cover is arranged flush with the outer circumference of the shell, and no boss exists; then, the upper end of the elastic piece is positioned by the convex ring to prevent deviation; finally, a certain distance is kept between the elastic piece and the shell, friction between the elastic piece and the shell is avoided, and pressure for overcoming the first sealing piece is increased.
In order to solve the technical problem of how to position the upper end of the elastic piece, the utility model adopts the following technical scheme that a third boss is arranged on the end cover, a second annular positioning groove is formed between the third boss and the convex ring, and the upper end of the elastic piece is arranged in the second annular positioning groove. And the upper end of the elastic piece is positioned by utilizing a second annular positioning groove between the third boss and the convex ring, so that the upper end of the elastic piece is effectively prevented from deviating.
A second object of the present utility model is to provide a manual oil filler comprising a manual oil filler diverter tab as defined in any one of the preceding claims, said diverter tab being connected to an oil outlet on a cover of said manual oil filler.
Drawings
FIG. 1 is a broken state diagram of the oil circuit of the steering joint of the manual oil injector of the present utility model;
FIG. 2 is a half-open state of the oil circuit of the steering joint of the manual oil injector of the present utility model;
FIG. 3 is a fully open state of the oil passages of the steering joint of the manual oil feeder of the present utility model;
FIG. 4 is a schematic view of the first annular detent of the steering joint of the manual oil feeder of the present utility model;
FIG. 5 is a schematic view of the structure of the oil outlet passage (end-machined external threads) of the manual oil filler neck of the present utility model;
FIG. 6 is a schematic illustration of the oil delivery passage of the steering joint of the manual oil feeder of the present utility model;
FIG. 7 is a schematic diagram II of the oil delivery passage of the steering joint of the manual oil injector of the present utility model;
fig. 8 is a schematic view of the oil delivery passage of the steering joint of the manual oil feeder of the present utility model.
Detailed Description
Example 1
As shown in fig. 1-8, the manual oil filler knuckle includes a housing 100 and a seal assembly 200.
The casing 100 is vertically arranged, an oil inlet passage 104 is machined in the center of the bottom of the casing 100, and the oil inlet passage 104 is vertically arranged. An internal thread is machined on the shell below the oil inlet channel 104 and is used for being in threaded connection with an oil outlet on the cover body of the manual oil injector. An oil outlet pipe 400 is welded on one side of the casing 100, and the oil outlet pipe 400 is transversely arranged. The oil outlet pipe 400 is hollow to form an oil outlet passage 401. In one embodiment, as shown in FIGS. 5-8, the flowline 400 is externally threaded 402 at its end for installation of a tubing.
A seal assembly 200 is mounted within the housing 100. The seal assembly 200 includes the mating first seal 200, second seal 102. The first seal 200 includes a cylindrical portion 201 and a tapered portion 202. A tapered portion 202 is provided below the columnar portion 201. The tapered portion 202 has a lower outer diameter that is smaller than an upper outer diameter of the tapered portion. The outer diameter of the upper bottom of the tapered portion 202 is the same as the outer diameter of the cylindrical portion 201. The lower bottom surface of the conical portion 202 is used for closing or opening the oil delivery passage 103. The outer circumferential surface of the cylindrical portion 201 is used to close or open the oil outlet passage 401.
The second seal 102 is integrally formed with the housing 100. The second sealing member 102 is provided with an oil delivery passage 103, and the oil delivery passage 103 is vertically arranged. The oil delivery passage 103 communicates with the oil intake passage 104. The second seal 102 is formed with a tapered groove 101, and the tapered groove 101 is matched with the tapered portion 201. As shown in fig. 1-5, there are 1 oil delivery passage 103, and it is preferable that the oil delivery passage 103 is located in the center of the second seal 102 in a vertical arrangement. As shown in fig. 6, the number of the oil delivery passages 103 is 2, and the oil delivery passages are vertically arranged. As shown in fig. 7, the number of the oil delivery channels 103 is 4, and the oil delivery channels are vertically arranged and uniformly distributed in the circumferential direction. As shown in fig. 8, the number of the oil delivery passages 103 is 4, and the oil delivery passages are arranged obliquely.
In one embodiment, the pressing member 300 on the housing 100 is used to elastically press the first sealing member 200 against the second sealing member 102, so that the oil delivery channel 103 and the oil outlet channel 401 are not communicated.
In one embodiment, the compression member 300 includes a resilient member 305 and an end cap 301. The elastic member 305 is disposed in the housing and above the first sealing member 200. The end cap 301 is connected to the housing 100 and compresses the resilient member 305, which in turn resiliently compresses the first seal member 300 against the second seal member 102.
In one embodiment, the end cap 301 is provided with a collar 302, and the outer circumference of the collar 302 is externally threaded. The male upper end of the housing 100 is internally threaded. The male threads of collar 302 are coupled with the female threads of housing 100.
In one embodiment, a third boss 303 is provided on the end cap 301. A second annular positioning groove 304 is formed between the third boss 303 and the convex ring 302, and the upper end of the elastic member 305 is mounted in the second annular positioning groove 304.
In one embodiment, the first seal 200 further includes a spring retainer 203. The elastic member positioning member 20 is located above the cylindrical portion 201 for positioning the lower end of the elastic member 305.
In one embodiment, the elastic member positioning member may be a first boss 203, and an outer diameter of the first boss 203 is smaller than an outer diameter of the pillar portion 201. The first boss 203 is disposed coaxially with the cylindrical portion 201 and the tapered portion 202. When installed, the first boss 203 is located inside the lower end of the elastic member 305.
In one embodiment, the elastic member positioning member may further have a structure that: comprises a second boss 204, and the second boss 204 is coaxially arranged with the cylindrical part 201 and the conical part 202. The second boss is provided with a first annular positioning groove 205. The lower end of the elastic member 305 is mounted in the first annular positioning groove 205.
The working process of the steering joint of the manual oil injector comprises the following steps: the method comprises the following steps:
(1) Under the action of external force, the acting force of the first sealing component to the second sealing component is overcome, the first sealing component is far away from the second sealing component, so that the oil delivery channel is communicated with the oil outlet channel, the communication of an oil way between the oil inlet channel and the oil outlet channel is realized, butter flows in through the vertical oil inlet channel, flows out of the oil outlet channel through the oil delivery channel, and 90-degree steering is realized;
(2) And applying pressure to the first sealing element, wherein the first sealing assembly is close to the second sealing assembly, so that the oil delivery channel and the oil outlet channel are not communicated, and disconnection of an oil way between the oil inlet channel and the oil outlet channel is realized.
According to the utility model, the oil inlet channel and the oil outlet channel which are mutually perpendicular are designed on the steering joint, the on-off of the oil inlet channel and the oil outlet channel is realized by utilizing the cooperation of the first sealing component and the second sealing component, the oil inlet is turned for 90 degrees and then the oil is discharged, when the vertical oil outlet is required to be turned, the gun cover is not required to be replaced, the steering of an oil way can be realized by only installing the adapter, and the use is convenient.
Example 2
A manual oil filler comprising the manual oil filler knuckle of example 1. External threads are processed on an oil outlet on a cover body of the manual oil injector. The internal thread below the oil inlet channel of the steering joint is in threaded connection with the external thread of the oil outlet on the cover body of the manual oil injector.
Claims (10)
1. Manual oiling ware steering joint, characterized by includes:
the shell is provided with a vertical oil inlet channel and an oil outlet channel;
the sealing assembly is arranged in the shell and comprises a first sealing piece and a second sealing piece which are matched with each other, an oil conveying channel is arranged on the second sealing piece, and the oil conveying channel is communicated with the oil inlet channel; the first sealing piece is far away from or close to the second sealing piece, so that the oil conveying channel is communicated with or not communicated with the oil outlet channel, and the on-off of an oil way between the oil inlet channel and the oil outlet channel is realized.
2. The manual oil filler neck of claim 1, wherein the first seal comprises:
the conical part is used for closing or opening the oil conveying channel;
the cylindrical part is arranged above the conical part and is used for closing or opening the oil outlet channel;
the second sealing piece is provided with a conical groove matched with the conical part.
3. The manual oil filler steering joint of claim 1 or 2, further comprising:
and the compressing piece is arranged on the shell and is used for elastically compressing the first sealing piece on the second sealing piece, so that the oil conveying channel is not communicated with the oil outlet channel.
4. A manual oil filler neck as defined in claim 3, wherein said hold down member comprises:
an elastic member disposed within the housing and above the first seal member;
and the end cover is connected with the shell and compresses the elastic piece, so that the first sealing piece is elastically compressed on the second sealing piece.
5. The manual oil filler neck of claim 4, wherein the first seal further comprises:
and the elastic piece positioning piece is arranged above the cylindrical part and used for positioning the lower end of the elastic piece.
6. The manual oil filler neck of claim 5, wherein the elastomeric member positioning member is a first boss coaxially disposed with the second sealing member, the first boss being located within the lower end of the elastomeric member.
7. The manual oil filler neck of claim 5, wherein the elastomeric member positioning member comprises a second boss having a first annular positioning slot therein, the lower end of the elastomeric member being disposed in the first annular positioning slot.
8. The manual oil filler neck of claim 4, wherein the end cap is provided with a collar that is threadably coupled to the housing.
9. The manual oil injector steering joint according to claim 8, wherein a third boss is arranged on the end cover, a second annular positioning groove is formed between the third boss and the convex ring, and the upper end of the elastic piece is arranged in the second annular positioning groove.
10. A manual oil injector characterized by comprising the manual oil injector steering joint of any one of claims 1-9, said steering joint being connected to an oil outlet on a cover of said manual oil injector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320093653.3U CN219606704U (en) | 2023-01-31 | 2023-01-31 | Manual oil injector and steering joint thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320093653.3U CN219606704U (en) | 2023-01-31 | 2023-01-31 | Manual oil injector and steering joint thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219606704U true CN219606704U (en) | 2023-08-29 |
Family
ID=87740715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320093653.3U Active CN219606704U (en) | 2023-01-31 | 2023-01-31 | Manual oil injector and steering joint thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219606704U (en) |
-
2023
- 2023-01-31 CN CN202320093653.3U patent/CN219606704U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |