CN215979329U

CN215979329U - Oil pipe fixing structure of oil pumping machine

Info

Publication number: CN215979329U
Application number: CN202121516697.XU
Authority: CN
Inventors: 陈金泉
Original assignee: Jiashan Jinzhan Tools Co ltd
Current assignee: Jiashan Jinzhan Tools Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-03-08
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses an oil pipe fixing structure of a pumping unit, which relates to the technical field of mechanical part connection and comprises a cover body and a joint, wherein the joint is provided with a cavity through which an oil supply pipe passes, one end of the joint is inserted into the cover body, the other end of the joint is used for inserting the oil pipe, a locking part is arranged between the two ends of the joint, and the cover body is provided with a clamping protrusion movably matched with the locking part, so that after one end of the joint enters the cover body, the locking part is rotated to enable the locking part to be matched with the clamping protrusion. During the use, earlier with oil pipe insert joint's cavity, inside inserting the lid with the joint again to rotary joint makes locking portion and the protruding cooperation of card, accomplishes the work of being connected of oil pipe and lid, makes the inside oil of lid discharge through oil pipe, when needs change oil pipe, only need rotary joint with locking portion with block protruding separation, will connect take out from the lid can, convenient and fast.

Description

Oil pipe fixing structure of oil pumping machine

Technical Field

The utility model relates to the technical field of mechanical part connection, in particular to an oil pipe fixing structure of an oil pumping unit.

Background

The manual pumping unit reduces the air pressure in the closed space for collecting the oil by providing a manual or pneumatic operation mode, so that the oil is fed into the closed space under the action of external atmospheric pressure, and the aim of assisting the automobile maintenance operation is fulfilled. However, in the existing manual pumping unit in the market, the manual pump is disposed inside the oil storage barrel, and the upper cover portion of the manual pumping unit is provided with a pumping pipe joint connected with an oil supply pipe, and the oil pipe and the pumping pipe joint are generally connected by using a screw and a nut, which is inconvenient to disassemble and low in efficiency.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

Aiming at the technical problem that the connection mode of a screw and a nut is not beneficial to disassembly, the utility model provides the oil pipe fixing structure of the oil pumping unit.

2. Technical scheme

In order to solve the problems, the technical scheme provided by the utility model is as follows: the utility model provides a beam-pumping unit oil pipe fixed knot constructs, includes lid and joint, the joint has the cavity that supplies the oil pipe to pass, connect inside one end inserts the lid, connect the other end and be used for inserting oil pipe, have locking portion between the both ends that connect, the lid has with locking portion clearance fit's card protruding to make connect one end get into inside the lid after, rotatory locking portion makes locking portion and the protruding cooperation of card.

Optionally, locking portion includes a plurality of connecting plates and keeps away the dead slot, the connecting plate with keep away the dead slot along the circumference interval distribution that connects, a plurality of connecting plate symmetries set up, a plurality of keep away the dead slot symmetry and set up, connecting plate and protruding clearance fit of card.

Optionally, the connecting plate is provided with a groove, and the clamping protrusion is matched with the groove.

Optionally, a limiting protrusion is arranged between the groove and the clearance groove, and the limiting protrusion is used for pushing the clamping protrusion into the groove.

Optionally, the cover body is provided with an extension head, the extension head is communicated with the inside of the cover body, and one end of the joint enters the inside of the cover body through the extension head.

Optionally, the cover body further has a handle, a clamping tongue is arranged at one end of the handle close to the expansion head, the clamping tongue comprises a first bending section and a second bending section connected with the first connecting section, the first bending section is connected with the handle, and the clamping protrusion is arranged below the second bending section.

Optionally, the groove is provided with a limiting projection, the latch is provided with a limiting baffle, one end of the limiting baffle is arranged on the latch, and one end of the limiting baffle is arranged on the extension head, so that when the connector rotates excessively, the limiting projection abuts against the limiting baffle.

Optionally, the extension head is detachably connected to the cover body, the extension head is provided with a spring tongue, the spring tongue is provided with a first bending portion and a second bending portion connected to the first bending portion, the first bending portion and the second bending portion form a profile structure with a downward opening, the first bending portion is connected to the extension head, and the protruding portion of the clip is arranged below the second bending portion.

Optionally, the groove is provided with a limit bump, the spring tongue is provided with a limit baffle, one end of the limit baffle is arranged on the spring tongue, and one end of the limit baffle is arranged on the extension head, so that when the connector rotates excessively, the limit bump abuts against the limit baffle.

Optionally, extension first one end is equipped with the screw thread, and the other end of extension head is equipped with the bullet tongue, the extension head is equipped with the threaded one end and is passed through the nut and install at the lid inner wall.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) the oil pipe fixed knot that this application embodiment provided constructs, during the use, earlier with oil pipe insert joint's cavity, insert the lid inside with the joint again to rotary joint makes locking portion and the protruding cooperation of card, accomplishes the connection work of oil pipe and lid, makes the inside oil of lid pass through oil pipe and discharges, when needs change oil pipe, only need rotary joint with locking portion and the protruding separation of card, will connect take out from the lid can, convenient and fast.

(2) The oil pipe fixed knot of beam-pumping unit that this application embodiment provided constructs, the handle is convenient for handheld the lid of opening, and the block tongue setting is on the handle, and the structural design of rational utilization lid does not have unnecessary structure, and is brief pleasing to the eye again, and the second bending segment of block tongue makes the card protruding be convenient for with the recess cooperation, and first bending segment has decurrent effort to the card protruding, makes more firm when the card is protruding to cooperate with the recess.

(3) The oil pipe fixed knot of beam-pumping unit that this application embodiment provided constructs, the outside protrusion in groove edge forms spacing lug, and rotatory locking portion makes the card protruding cross spacing arch and recess cooperation back, and when the rotatory dynamics is great, spacing lug supports with limit baffle and leans on, prevents that the card is protruding to slide groove card on the connecting plate, influences the protruding life of card.

(4) The oil pipe fixed knot that this application embodiment provided constructs, the elasticity buffer capacity of elasticity tongue is increased to the profile structure, and the second kink has decurrent effort to the card arch, makes more firm when the protruding and recess cooperation of card. The extension head can be dismantled with the lid and be connected, when the protruding emergence problem of card needs to be changed, can pull down and change the extension head to ensure to connect and the lid is firm to be connected.

Drawings

Fig. 1 is a schematic structural view of an oil pipe fixing structure of an oil pumping unit according to an embodiment of the present invention, in which a snap-projection is disposed on a handle.

Fig. 2 is a schematic view of the fitting and the cover in the case of fig. 1.

Fig. 3 is a schematic structural view of an oil pipe fixing structure of an oil pumping unit according to an embodiment of the present invention, in which a snap-fit protrusion is disposed on an expansion head.

Fig. 4 is a schematic view of the fitting and the cover in the case of fig. 3.

The labels in the various figures are: 1. a cover body; 11. clamping convex; 12. an extension head; 121. a thread; 13. a handle; 14. a latch; 141. a first bending section; 142. a second bending section; 15. a limit baffle; 16. a spring tongue; 161. a first bent portion; 162. a second bent portion; 2. a joint; 21. a locking portion; 211. a connecting plate; 2111. a groove; 2112. a limiting bump; 212. an empty avoiding groove; 213. a limiting bulge; 3. and a nut.

Detailed Description

For a further understanding of the present invention, reference will now be made in detail to the embodiments illustrated in the drawings.

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The terms first, second, and the like in the present invention are provided for convenience of describing the technical solution of the present invention, and have no specific limiting effect, but are all generic terms, and do not limit the technical solution of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, and the technical solutions are within the scope of the present invention.

Example 1

With reference to fig. 1-4, the oil pipe fixing structure of the pumping unit of the present embodiment includes a cover body 1 and a joint 2, the joint 2 has a cavity for oil supply pipe to pass through, one end of the joint 2 is inserted into the cover body 1, the other end of the joint 2 is used for inserting an oil pipe, a locking portion 21 is provided between two ends of the joint 2, the cover body 1 has a locking protrusion 11 movably matched with the locking portion 21, so that after one end of the joint 2 enters the cover body 1, the locking portion 21 is rotated to match the locking portion 21 with the locking protrusion 11. During the use, earlier with oil pipe insert joint 2's cavity, will connect 2 inserts lid 1 inside again to rotary joint 2 makes locking portion 21 and the protruding 11 cooperation of card, accomplishes oil pipe and lid 1's connection work, makes the inside oil of lid 1 pass through oil pipe and discharges, and when needs change oil pipe, only need rotary joint 2 with locking portion 21 and the protruding 11 separation of card, will connect 2 take out from lid 1 can, convenient and fast.

Example 2

With reference to fig. 1-4, compared with the technical solution of embodiment 1, the oil pipe fixing structure of the oil pumping unit of this embodiment can be improved as follows: locking portion 21 includes a plurality of connecting plates 211 and keeps away dead slot 212, connecting plate 211 and keep away dead slot 212 along the circumference interval distribution that connects 2, a plurality of connecting plates 211 symmetry set up, a plurality of keep away dead slot 212 symmetry sets up, connecting plate 211 and calorie of protruding 11 clearance fit. In this embodiment, the connecting plate 211 and the clearance groove 212 are both two, and when the connector is used, the clamping protrusion 11 is located in the clearance groove 212, the rotating locking portion 21 enables the connecting plate 211 to be matched with the clamping protrusion 11, so as to complete the connection between the oil pipe and the cover body 1, and when the oil pipe needs to be replaced, the rotating locking portion 21 enables the connecting plate 211 to be separated from the clamping protrusion 11, and the clamping protrusion 11 returns to the clearance groove 212, so as to take down the connector 2.

Example 3

With reference to fig. 1-4, compared with the technical solution of

embodiment

1 or 2, the oil pipe fixing structure of the pumping unit of this embodiment can be improved as follows: the connection plate 211 has a groove 2111, and the locking protrusion 11 is engaged with the groove 2111. The groove 2111 is matched with the clamping protrusion 11, so that the connection stability of the joint 2 and the cover body 1 is enhanced.

Example 4

With reference to fig. 1-4, compared with any of the technical solutions of embodiments 1-3, the oil pipe fixing structure of the pumping unit of the present embodiment can be improved as follows: a limiting protrusion 213 is arranged between the groove 2111 and the clearance groove 212, and the limiting protrusion 213 is used for pushing the locking protrusion 11 into the groove 2111. When the oil pipe cover is used, the clamping protrusion 11 is positioned in the clearance groove 212, the locking part 21 is rotated, the limiting protrusion 213 is stressed to push the clamping protrusion 11, the clamping protrusion 11 passes through the limiting protrusion 213 to be matched with the groove 2111, and the connection work of the oil pipe and the cover body 1 is completed.

Example 5

With reference to fig. 1-4, compared with any one of the technical solutions of embodiments 1-4, the oil pipe fixing structure of the pumping unit of the present embodiment can be improved as follows: the cover body 1 is provided with an expanding head 12, the expanding head 12 is communicated with the inside of the cover body 1, and one end of the joint 2 enters the inside of the cover body 1 through the expanding head 12. The expansion head 12 may be integrally formed with the cover 1, or the expansion head 12 may be detachably mounted to the cover 1.

Example 6

With reference to fig. 1-4, compared with any of the technical solutions of embodiments 1-5, the oil pipe fixing structure of the pumping unit of this embodiment can be improved as follows: the cover body 1 is further provided with a handle 13, one end of the handle 13 close to the expansion head 12 is provided with a clamping tongue 14, the clamping tongue 14 comprises a first bending section 141 and a second bending section 142 connected with the first connecting section, the first bending section 141 is connected with the handle 13, and the clamping protrusion 11 is arranged below the second bending section 142. Handle 13 is convenient for handheld lid 1 of opening, and latch 14 sets up on handle 13, and the structural design of rational utilization lid 1 does not have unnecessary structure, and is brief again pleasing to the eye, and second bending segment 142 of latch 14 makes protruding 11 of card be convenient for cooperate with recess 2111, and first bending segment 141 has decurrent effort to protruding 11 of card, makes protruding 11 of card more firm when cooperating with recess 2111.

Example 7

With reference to fig. 1-4, compared with any of the technical solutions of embodiments 1-6, the oil pipe fixing structure of the pumping unit of the present embodiment can be improved as follows: the groove 2111 is provided with a limit bump 2112, the latch 14 is provided with a limit baffle 15, one end of the limit baffle 15 is arranged on the latch 14, and one end of the limit baffle 15 is arranged on the expansion head 12, so that when the joint 2 rotates excessively, the limit bump 2112 abuts against the limit baffle 15. The edge of the groove 2111 protrudes outwards to form a limit bump 2112, the locking portion 21 is rotated to enable the clamping protrusion 11 to cross the limit protrusion to be matched with the groove 2111, when the rotating force is large, the limit bump 2112 abuts against the limit baffle 15, the clamping protrusion 11 is prevented from sliding through the groove 2111 and being clamped on the connecting plate 211, and the service life of the clamping protrusion 11 is influenced.

Example 8

With reference to fig. 1-4, compared with any of the technical solutions of embodiments 1-7, the oil pipe fixing structure of the pumping unit of the present embodiment can be improved as follows: the extension head 12 is detachably connected to the cover 1, the extension head 12 is provided with a resilient tongue 16, the resilient tongue 16 has a first bent portion 161 and a second bent portion 162 connected to the first bent portion 161, the first bent portion 161 and the second bent portion 162 form a profile structure with a downward opening, the first bent portion 161 is connected to the extension head 12, and the protrusion 11 is disposed below the second bent portion 162. In this embodiment, two elastic tongues 16 are symmetrically disposed on two sides of the extension head 12, the profile structure increases the elastic buffering capacity of the elastic tongues 16, and the second bending portion 162 has a downward acting force on the engaging protrusion 11, so that the engaging protrusion 11 is more stably engaged with the groove 2111. Extension head 12 can be dismantled with lid 1 and be connected, when protruding 11 goes wrong and need change of card, can pull down and change extension head 12 to ensure to connect 2 and lid 1 firm the connection.

Example 9

With reference to fig. 1-4, compared with any of the technical solutions of embodiments 1-8, the oil pipe fixing structure of the pumping unit of the present embodiment can be improved as follows: the groove 2111 is provided with a limit bump 2112, the spring tongue 16 is provided with a limit baffle 15, one end of the limit baffle 15 is arranged on the spring tongue 16, and one end of the limit baffle 15 is arranged on the expansion head 12, so that when the joint 2 rotates excessively, the limit bump 2112 abuts against the limit baffle 15. The edge of the groove 2111 protrudes outwards to form a limit bump 2112, the locking portion 21 is rotated to enable the clamping protrusion 11 to cross the limit protrusion to be matched with the groove 2111, when the rotating force is large, the limit bump 2112 abuts against the limit baffle 15, the clamping protrusion 11 is prevented from sliding through the groove 2111 and being clamped on the connecting plate 211, and the service life of the clamping protrusion 11 is influenced.

Example 10

With reference to fig. 1-4, compared with any of the technical solutions of embodiments 1-9, the oil pipe fixing structure of the pumping unit of this embodiment can be improved as follows: one end of the extension head 12 is provided with a thread 121, the other end of the extension head 12 is provided with the spring tongue 16, and the end of the extension head 12 provided with the thread 121 is mounted on the inner wall of the cover body 1 through a nut 3. When the clamping projection 11 or the elastic tongue 16 has problems and needs to be replaced, the replacement expansion head 12 can be detached to ensure that the joint 2 is firmly connected with the cover body 1.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.

Claims

1. The utility model provides a beam-pumping unit oil pipe fixed knot constructs, its characterized in that, includes lid and joint, the joint has the cavity that supplies the oil pipe to pass, inside joint one end inserts the lid, the joint other end is used for inserting oil pipe, has locking portion between the both ends of joint, the lid have with locking portion clearance fit's card protruding to make joint one end get into the lid inside after, rotatory locking portion makes locking portion and the protruding cooperation of card.

2. The oil pipe fixing structure of the oil pumping unit according to claim 1, wherein the locking part comprises a plurality of connecting plates and clearance grooves, the connecting plates and the clearance grooves are distributed at intervals along the circumferential direction of the joint, the connecting plates are symmetrically arranged, the clearance grooves are symmetrically arranged, and the connecting plates are movably matched with the clamping protrusions.

3. The structure of claim 2, wherein the connecting plate has a groove, and the locking protrusion is engaged with the groove.

4. The oil pumping unit oil pipe fixing structure of claim 3, wherein a limiting protrusion is arranged between the groove and the clearance groove, and the limiting protrusion is used for pushing the clamping protrusion into the groove.

5. The oil extractor oil pipe fixing structure according to claim 3, wherein the cover body has an extension head, the extension head communicates with the inside of the cover body, and one end of the joint enters the inside of the cover body through the extension head.

6. The oil pipe fixing structure of the oil pumping unit according to claim 5, wherein the cover body is further provided with a handle, one end of the handle close to the expansion head is provided with a clamping tongue, the clamping tongue comprises a first bending section and a second bending section connected with the first connecting section, the first bending section is connected with the handle, and the clamping protrusion is arranged below the second bending section.

7. The oil pipe fixing structure of the oil pumping unit according to claim 6, wherein the groove is provided with a limiting projection, the latch is provided with a limiting baffle, one end of the limiting baffle is arranged on the latch, and one end of the limiting baffle is arranged on the expansion head, so that the limiting projection abuts against the limiting baffle when the joint rotates excessively.

8. The oil pipe fixing structure of the pumping unit according to claim 5, wherein the extension head is detachably connected to the cover body, the extension head is provided with a spring tongue, the spring tongue is provided with a first bending portion and a second bending portion connected to the first bending portion, the first bending portion and the second bending portion form a profile structure with a downward opening, the first bending portion is connected to the extension head, and the locking protrusion is disposed below the second bending portion.

9. The oil pumping unit oil pipe fixing structure of claim 8, wherein the groove has a limit protrusion, the spring tongue has a limit baffle, one end of the limit baffle is arranged on the spring tongue, and one end of the limit baffle is arranged on the expansion head, so that the limit protrusion abuts against the limit baffle when the joint rotates excessively.

10. The oil pumping unit oil pipe fixing structure according to claim 8, wherein one end of the expansion head is provided with a thread, the other end of the expansion head is provided with the spring tongue, and the end of the expansion head provided with the thread is mounted on the inner wall of the cover body through a nut.