CN212430051U

CN212430051U - Quantitative distributor and joint

Info

Publication number: CN212430051U
Application number: CN202020292466.4U
Authority: CN
Inventors: 杨小闯
Original assignee: Yongjia Saida Lubricating Equipment Co ltd
Current assignee: Yongjia Saida Lubricating Equipment Co ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2021-01-29
Anticipated expiration: 2030-03-11

Abstract

The utility model discloses a connect and quantitative distributor belongs to lubricating system technical field, is equipped with the through-hole that supplies liquid to pass through in the joint, and it is interior with the continuous one side of main part, and the part that is located the through-hole in the outside can supply the oil pipe to insert and be equipped with the activity clamping structure who is used for fixed oil pipe, and it then adopts the joint that is equipped with this activity clamping structure of quantitative distribution. The utility model discloses replace the threaded connection between the joint among the prior art and the oil pipe with activity clamping structure, effective visitor has overcome among the prior art a difficult problem that rotatory oil pipe carries out the connection for oil pipe's installation is more simple, convenient and easily operation with the dismantlement, and help that can be very big improves quantitative distributor's practicality.

Description

Quantitative distributor and joint

Technical Field

The utility model relates to a lubricating system technical field especially relates to a quantitative distributor and joint.

Background

The quantitative distributor is an oil injection device for auxiliary lubrication of mechanical transmission system connection, which is used for continuously or intermittently pumping lubricating oil out of the oil injection part, one end of the quantitative distributor is connected with a pressurizing pump, the other end of the quantitative distributor is in threaded connection with an oil pipe, and the lubricating oil is conveyed to a designated part through the oil pipe in a timed and/or quantitative mode. The quantitative distributor comprises a main body with an inlet and an outlet at two ends, the outlet end is hermetically connected with a joint, a quantitative metering component is arranged between the outlet and the inlet of the main body, a through hole for liquid to pass through is arranged in the joint,

in the use process, when the other end of the quantitative distributor is in threaded connection with an oil pipe, corresponding threads need to be machined on the oil pipe, the oil pipe needs to be rotated for fixing during installation, and the problem of inconvenient rotation of the oil pipe with long length exists. In addition, when the dosing dispenser is disassembled, a reverse rotation is also required. In short, screwing the metering dispenser to the tubing presents a practical inconvenience to use.

Based on this, the present application is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connect and ration distributor convenient to installation and dismantlement, it will improve the connection structure between ration distributor and the oil pipe to make oil pipe can be connected with ration distributor fast, conveniently, and convenient to use.

The utility model discloses the technical scheme who connects the adoption as follows: the joint is internally provided with a through hole for liquid to pass through, two ends of the through hole are respectively used for being connected with the oil pipe and the main body of the quantitative distributor, one side of the joint connected with the main body is used as the inner side, the part of the through hole positioned at the outer side can be inserted by the oil pipe, and a movable clamping structure for fixing the oil pipe is arranged.

The utility model discloses design movable clamping structure on connecting to the centre gripping mode is fixed in oil pipe in connecting, thereby avoids because of adopting the inconvenience on all kinds of installations, dismantlements that oil pipe and joint threaded connection caused, and then provides oil pipe in the grafting efficiency between the ration distributor, convenient to use.

For making oil pipe be convenient for install at any time and dismantle, the utility model discloses a further technical scheme as follows: the movable clamping structure comprises a clamping piece and an unbuckling piece, the clamping piece is provided with a through hole with the cross section not larger than the oil pipe in a natural state, and the unbuckling piece acts on the clamping piece to enable the through hole of the clamping piece not to be smaller than the cross section of the oil pipe. The clamping piece can be conveniently and quickly controlled to be opened or closed through the tripping piece, so that the oil pipe can be conveniently accessed, taken out and fixed. The utility model discloses a structure can carry out the centre gripping to it from the multi-angle in the holder that oil pipe suited to ensure the stability of centre gripping and the even of centre gripping dynamics.

The utility model discloses a further technical scheme as follows: the clamping piece is provided with an annular disc-shaped clamp spring, the annular edge of the annular disc-shaped clamp spring is in a tooth shape, and the inner diameter of the annular disc-shaped clamp spring is matched with the cross section of the oil pipe; the pipe-shaped body is coaxial with the annular disc-shaped clamp spring, one end of the pipe-shaped body is aligned to the toothed annular edge of the annular disc-shaped clamp spring, and the pipe-shaped body can move along the axial direction. When the releasing piece is abutted against the upper surface of the annular disc-shaped clamp spring (the inner side edge of the horizontally-placed annular disc-shaped clamp spring is positioned above the annular disc-shaped clamp spring of the utility model), the releasing piece is pushed to abut against the annular edge and then move together, and the diameter of the through hole of the annular disc-shaped clamp spring is reduced; if the releasing piece is opposite to the upper surface of the annular disc-shaped clamp spring, the diameter of the through hole of the annular disc-shaped clamp spring is expanded after the releasing piece is pushed to abut against the annular edge and then moves together.

The annular disc-shaped clamp spring is adopted in the upper section structure, elasticity in the axial direction and the radial direction of the clamp spring is utilized to fix the oil pipe entering the through hole, and the clamping effect is stable and superior. And the annular disc-shaped clamp spring has elasticity which can promote the annular disc-shaped clamp spring to restore the original shape, so that the use of parts for keeping the state of the clamping piece can be correspondingly reduced, the structure is simpler, and the processing is convenient. In small and even micro mechanical parts such as a quantitative distributor and the like, the structure is more convenient to realize and process, and the stability of the structure is higher.

The utility model discloses a further technical scheme as follows: the annular disc-shaped clamp spring is directly clamped and embedded in/adhered to the connector; or preferably as follows: the annular disc-shaped clamp spring is provided with at least two fixing pieces which are mutually involutory and fixedly connected, the outer side edge of the annular disc-shaped clamp spring is clamped and fixed between the two fixing pieces, the fixing piece at least positioned on the outer side is provided with a through hole which can be penetrated by an oil supply pipe and is coaxial with the annular disc-shaped clamp spring, and any fixing piece is fixed on the inner wall of the through hole of the joint.

In the upper-section structure, although the direct clamping and embedding or adhering manner is convenient for processing, the stability and compactness of the structure are inferior to those of the fixing manner by adopting a fixing member. Besides, the fixing piece is used for clamping and fixing the annular disc-shaped clamp spring, and can also be used for dispersing the force applied to the annular disc-shaped clamp spring, helping the annular disc-shaped clamp spring keep the shape as much as possible and prolonging the practical service life of the annular disc-shaped clamp spring. Furthermore, the fixing piece, especially the fixing piece positioned on the inner side, can be used for supporting the oil pipe by changing the size of the through hole and the like, so that the oil pipe can be kept in the joint, and the pressure on the annular disc-shaped clamp spring can be further reduced.

For convenient processing and connection, the utility model discloses further set up as follows: the fixing pieces are clamped with each other, and the fixing pieces are clamped with the inner walls of the through holes of the connectors. Adopt threaded connection mode to need rotary part, still need be rotatory to it with the help of instrument or instrument to miniature part, the utility model discloses save this step and trouble, improved assembly efficiency greatly.

For improving compact structure degree and precision, the utility model discloses further set up as follows: the outer end side wall of the fixing piece positioned on the outer side is provided with a ring groove, and the end part of the outer end of the joint is embedded into the ring groove through a forging process. Moreover, the fixing piece can fall off in an effective mode, and the strength of the structure is further enhanced.

For improving the leakproofness, ensure accurate ration, the utility model discloses further set up as follows: and an annular sealing ring is arranged in the through hole positioned in the middle or the inner side of the joint, and the opening size of the annular sealing ring is matched with the size of the oil pipe. The oil pipe directly communicates with the inner side of the through hole of the joint after penetrating through the annular sealing ring to carry out continuous connection of oil and other liquids, and by the structure, the waste of the oil and other liquids can be reduced, the oil outlet channel is shortened, and the oil outlet efficiency is improved.

In order to ensure that the annular dish-shaped clamp spring can "open" and enlarge the passageway of its through-hole, the utility model discloses further set up as follows: in the two fixing pieces, the size of the through hole part of the fixing piece where the inner side edge of the annular disc-shaped clamp spring is located is larger than the size of the cross section of the oil pipe, so that a gap with the size of more than 0.5mm can be reserved for the movement of the annular edge of the annular disc-shaped clamp spring.

For the installation, improve assembly efficiency, the utility model discloses further set up as follows: the cylindrical body is clamped with the fixing piece or the joint or is in threaded connection with the fixing piece or the joint; when the clamping connection is carried out, the structure is preferably as follows: the side wall of the inner part of the cylindrical body is provided with a slotted groove, and a step-shaped retaining structure is arranged between the middle part of the side wall and the joint or the fixing piece. The clamping connection is more convenient to assemble than threaded connection, is not easy to fall off due to the influence of mechanical vibration, and is simple and stable in structure.

The utility model discloses the technical scheme that quantitative distributor adopted as follows: including the both ends main part that is equipped with entry, export respectively, exit end sealing connection has the joint, is equipped with quantitative measurement subassembly between the export of main part, the entry, still including above-mentioned arbitrary the joint, through above-mentioned joint, can make when quantitative distributor is connected with oil pipe directly with the mode of pegging graft can, need not rotatory quantitative distributor itself or rotatory oil pipe, only need rotate other parts when adopting threaded connection, only need when adopting the joint to connect oil pipe insert, take out the passageway of the annular dish-shaped jump ring of control enlarge when directly extracting again can, made things convenient for oil pipe's installation greatly.

In short, the utility model has the advantages that:

one, the utility model discloses replace the threaded connection between joint and the oil pipe among the prior art with movable clamping structure, effective visitor has overcome among the prior art a difficult problem that rotatory oil pipe carries out the connection for oil pipe's installation is more simple, convenient and easily operation with the dismantlement, and help that can be very big improves quantitative distributor's practicality.

Two, the utility model discloses activity clamping structure uses the centre gripping of multi-angle as leading, and it adopts cyclic annular dish-shaped jump ring as main clamping unit, can utilize its elasticity in radial, two axial directions to realize good centre gripping effect to simultaneously, use cyclic annular dish-shaped jump ring as main clamping unit, can simplify corresponding cooperation structure greatly, also be convenient for production and processing when making its convenient to use, be suitable for and use widely.

Drawings

Fig. 1 is a schematic diagram of an explosion-section structure of embodiment 1 of the present invention.

Fig. 2 is a schematic overall-sectional structure diagram of embodiment 1 of the present invention.

Fig. 3 is a schematic overall-sectional structure diagram according to embodiment 3 of the present invention.

Fig. 4 is a schematic cross-sectional view of the overall structure of embodiment 4 of the present invention.

Fig. 5 is a schematic sectional view of an installation state according to embodiment 4 of the present invention.

Fig. 6 is a schematic view of a disassembled state cross-sectional structure according to embodiment 4 of the present invention.

Shown in the figure: 1-joint shell, 2-annular sealing element, 3-first fixing element, 4-annular disc-shaped clamp spring, 5-second fixing element, 6-cylindrical body, 7-sealing ring, 8-spring, 9-core rod, 10-second retaining ring, 11-first retaining ring, 12-Y-shaped sealing ring, 13-backstop, 14-main body, 15-oil pipe, 110-outer end part, 120-joint through hole, 130-thread, 310-conical hole, 410-annular edge, 510-fixing through hole, 610-right side end, 620-slotted groove, 630-limiting protrusion and 640-left side end.

Detailed Description

The utility model discloses at first provide a joint, its structure is as follows: a joint through hole 120 for liquid to pass through is arranged in the joint, two ends of the joint through hole 120 are respectively used for being connected with the oil pipe 15 and the main body 14 of the quantitative distributor, one side of the joint connected with the main body 14 is taken as the inner side, the part of the joint through hole 120 positioned on the outer side can be inserted by the oil pipe 15, and a movable clamping structure for fixing the oil pipe 15 is arranged.

Example 1

As shown in fig. 1, this embodiment provides a joint, which includes a joint housing 1, a joint through hole 120 is opened in the joint housing 1, a movable clamping structure is assembled in the joint through hole 120, the movable clamping structure in this embodiment includes a clamping member and a tripping member, the clamping member naturally has a clamping through hole with a size not larger than the cross section of the oil pipe 15, the tripping member acts on the clamping member to make the clamping through hole not smaller than the cross section of the oil pipe 15, and the "opening" or "closing" of the clamping member can be conveniently and quickly controlled by the tripping member, so as to facilitate the entering, taking out and fixing of the oil pipe 15.

As a detailed structure of the present embodiment: in this embodiment, the clamping member is provided with an annular disc-shaped clamp spring 4, the annular edge 410 of the annular disc-shaped clamp spring 4 is in a tooth shape, the inner diameter of the annular edge is matched with the cross section of the oil pipe 15, the structure of the clamping member can be an internal tooth conical spring collar which is commonly called as a bearing clamp, or a flanging clamp spring, or a planar single-row strip-shaped spring with a tooth-shaped waveform is processed into an annular spring, and the annular edge 410, namely the tooth-shaped wave, is axially bent (commonly called as flanging) to one side like a disc-shaped spring, so that the clamping member has elasticity in the radial direction and the axial direction.

The upper section is connected with the joint, the unfastening part is a cylindrical body 6 provided with a through hole slightly larger than the cross section of the oil pipe 15, the cylindrical body 6 and the annular disc-shaped clamp spring 4 are coaxially arranged, one end of the cylindrical body is right opposite to the toothed annular edge 410 of the annular disc-shaped clamp spring 4, and a certain space is specially reserved for the cylindrical body 6 in the joint through hole 120 so as to enable the cylindrical body to move along the axial direction. Referring to fig. 2, in this embodiment, the cylindrical body 6 is arranged opposite to the left side surface of the annular edge 410 of the annular disc-shaped clamp spring 4, and after the cylindrical body 6 is pushed to move to the right side to abut against the annular edge 410 and then moves to the right for a short distance, the annular edge 410 is pushed to open to the right, so that the diameter of the clamping through hole is enlarged, and the oil pipe 15 can smoothly enter.

In the above detailed structure, as a preferred scheme, the present embodiment is provided with at least two first fixing parts 3 and two second fixing parts 5, which are mutually involutory and fixedly connected, and are used for clamping and fixing the annular disc-shaped snap spring. The outer side (relative to the inner side, the position of the axis is used as the inner side) of the annular disc-shaped clamp spring is clamped and fixed between the first fixing part 3 and the second fixing part 5, meanwhile, the first fixing part 3 is provided with a fixing through hole 510 which can allow the oil pipe 15 to pass through and is coaxial with the annular disc-shaped clamp spring, and the second fixing part 5 is also provided with a coaxial fixing through hole. In the first fixing element 3 and the second fixing element 5, any fixing element may be fixed in the joint housing 1 or the joint through hole 120, but in this embodiment, it is preferable to be located in the first fixing element 3 to be fixed with the joint housing 1, as shown in fig. 2, an annular groove is formed on the outer end side wall of the first fixing element 3, and the outer end 110 of the joint housing 1 is embedded in the annular groove by a forging process, so as to fix the first fixing element 3.

In the upper structure, the first fixing member 3 and the second fixing member 5 can be connected by screw or by clamping (since the connection is prior art, it is not shown in the drawings), wherein the clamping is more convenient for processing and assembling. Can be selected according to specific use environment and processing requirements. Correspondingly, the first fixing piece 3 and the joint through hole 120 can be in threaded connection, or the second fixing piece 5 and the inner wall of the joint through hole 120 can be in clamping connection or threaded connection.

In the above detailed structure, in order to improve the sealing performance, ensure accurate quantitative distribution, and reduce waste, the annular sealing element 2 is disposed near the right opening of the joint through hole 120 in the figure, and the opening size of the annular sealing element 2 is adapted to the size of the oil pipe 15 (the selection and process of the annular sealing element 2 are prior art, and thus are not described again). The oil pipe 15 passes through the tubular body 6, the first fixing part 3, the annular disc-shaped clamp spring 4 and the second fixing part 5 in sequence, and finally the annular sealing element 2 is directly communicated with the right side of the joint through hole 120 to connect oil and other liquids.

In order to ensure that the annular dish-shaped clamp spring can "open" and enlarge the passageway of its through-hole, the utility model discloses further set up as follows: in this embodiment, the left side (in the direction shown in fig. 1) of the fixing through hole of the second fixing is set to be a tapered hole 310 with a variable diameter, which gradually shrinks from the left side to the right side to a degree suitable for the cross section of the oil pipe 15, so as to leave a certain movable gap for the annular edge 410 of the annular disc-shaped clamp spring, where the gap is usually more than 0.3mm, preferably 0.5-3 mm.

As another preferred embodiment, it is preferable to provide the tubular body 6 on the joint for convenience of handling, and thus to directly handle it at the time of use. In order to realize the clamping and stopping between the cylindrical body 6 and the joint, in the embodiment, the side wall of the right side end 610 of the cylindrical body 6 is provided with the slotted groove 620 so that the part can be compressed under the action of pressure, the step-shaped stopping structure is arranged between the middle part of the side wall and the joint or the fixing piece, which can be clearly and intuitively seen in fig. 1, in the embodiment, the thickness of the side wall of the left side end 640 of the cylindrical body 6 is reduced, so that the size of the right side part of the cylindrical body 6 inserted into the fixing piece one 3 is slightly larger than that of the left side part of the cylindrical body 6, correspondingly, the left side of the inner wall of the fixing through hole 510 of the fixing piece one 3 is provided with the stopping step, and the right side of the cylindrical body 6 is pressed into the fixing piece one 3.

Example 2

The present embodiment is different from embodiment 1 in that: the movable clamping structure in this embodiment is as follows: a threaded hole communicated with the through hole is formed in the side wall of the connector, a clamping piece provided with a positioning groove is hooped on the oil pipe 15, a screw is screwed in the threaded hole, and when the oil pipe 15 is inserted into the connector, the rotating screw moves downwards and is inserted into the positioning groove. The positioning can be achieved by providing a limiting structure (e.g., a limiting annular step) in the joint through hole 120 for limiting the insertion depth, and marking the end surface of the joint through hole 120 with a mark, so that the positioning groove needs to be aligned with the mark when the oil pipe 15 is inserted into the through hole.

The arrangement of the annular seal is the same as in embodiment 1. In the embodiment, no relevant drawings are provided, but for those skilled in the art, the specific structure can be derived by combining the text description.

Example 3

The present embodiment is different from embodiment 1 in that: the movable clamping structure of the present embodiment is shown in fig. 3: the clamping adopts Z-shaped leaf springs 6', the leaf springs 6' are arranged parallel to the axis of the joint and can be arranged into 2 or more than 2, the leaf springs 6 'are preferably symmetrically arranged or are arranged into an arc shape when the number of the leaf springs is only 2, and the nearest distance between the leaf springs 6' is slightly smaller than the diameter of the cross section of the oil pipe 15 after the leaf springs are assembled. The clamping piece is configured to be a conical tubular body 6, one end of the tubular body 6 is a small head, and the other end of the tubular body 6 is a large head, so that the aperture of the small head is required to be adapted to the area of the cross section of the oil pipe 15 in order to ensure that the oil pipe 15 can smoothly enter. When the clamping piece is assembled, the small head is arranged at the inner part and the large head is arranged at the outer part and is positioned between the leaf springs. Thus, when the clamp is pushed to the right, the outer side wall of the cylindrical body 6 presses one side of the Z-shaped leaf spring 6', and the oil pipe 15 is allowed to pass through the area where the leaf spring 6' is located and enter the other end of the joint through hole 120. After the tubular body 6 is reset, the Z-shaped leaf spring 6' tightly presses the oil pipe 15, so that the oil pipe 15 is clamped. When the oil pipe 15 is taken out, the cylindrical body 6 is pushed again to press the Z-shaped leaf spring 6', and the oil pipe 15 is taken out.

Example 4

As shown in fig. 4, the present embodiment provides a quantitative dispenser, which includes a connector housing and a main body 14, a movable clamping structure, and a quantitative dispensing assembly composed of a spring 8, a core rod 9, a second retainer 10, a first retainer 11, a Y-shaped sealing ring 12, a second retainer, a non-return member 13, etc., wherein the main body 14 and the connector housing 1 are hermetically connected by a thread 130 of a sealing ring 7. The body 14 and the adapter housing have a body 14 through bore and an adapter through bore 120, respectively, wherein the dosing assembly fits into the body 14 through bore and the movable clamping structure fits into the adapter through bore 120. The specific components, structures and connections of the movable clamp structure are the most preferred embodiments of embodiment 1, but other types of movable clamp structures provided in embodiments 2-3 can be adopted.

Fig. 5 and fig. 6 show respectively that the oil pipe 15 is directly inserted into the tubular body 6 to realize the clamping assembly of the oil pipe 15 and the use state schematic diagram of the oil pipe 15 is extracted from the annular rim 410 by pushing the tubular body 6 right first when the oil pipe 15 is taken out, and it can be seen from the diagram that the utility model discloses the operation steps of inserting and taking out the oil pipe 15 are really simplified greatly, so that it is suitable for practical use and improves work efficiency.

In addition, because also adopt threaded connection and can process according to the quantitative distributor's in the market specification between joint and the main part 14, make the utility model provides a when joint, main part in-service use, the user can be according to specific use needs at any time with the ordinary joint replacement among the prior art use, have better commonality to satisfy various demands of in-service use. And, owing to process for the commonality, also can directly use the utility model provides a joint will ordinary joint replacement, if will update the quantitative distributor of having assembled or the quantitative distributor in the use, easily operation, very convenience.

Claims

1. The utility model provides a connect, be equipped with the through-hole that supplies liquid to pass through in the joint, its both ends are used for being connected with oil pipe, quantitative distributor's main part respectively to connect and the main part links to each other one side and is interior, its characterized in that: the part of the through hole positioned at the outer side can be inserted by the oil pipe and is provided with a movable clamping structure for fixing the oil pipe.

2. A joint according to claim 1, wherein: the movable clamping structure comprises a clamping piece and an unbuckling piece, the clamping piece is provided with a through hole with the cross section not larger than the oil pipe in a natural state, and the unbuckling piece acts on the clamping piece to enable the through hole of the clamping piece not to be smaller than the cross section of the oil pipe.

3. A joint according to claim 2, wherein: the clamping piece is provided with an annular disc-shaped clamp spring, the annular edge of the annular disc-shaped clamp spring is in a tooth shape, and the inner diameter of the annular disc-shaped clamp spring is matched with the cross section of the oil pipe; the pipe-shaped body is coaxial with the annular disc-shaped clamp spring, one end of the pipe-shaped body is aligned to the toothed annular edge of the annular disc-shaped clamp spring, and the pipe-shaped body can move along the axial direction.

4. A joint according to claim 3, wherein: the annular disc-shaped clamp spring is characterized in that at least two fixing pieces which are mutually involutory and fixedly connected are arranged, the outer side edge of the annular disc-shaped clamp spring or the clamping piece is clamped and fixed between the two fixing pieces, the fixing piece which is at least positioned at the outer side is provided with a through hole which can be penetrated by an oil supply pipe and is coaxial with the clamping piece or the annular disc-shaped clamp spring, and any fixing piece is fixed on the inner wall of the through hole.

5. A joint according to claim 4, wherein: the fixing pieces are clamped with each other, and the fixing pieces are clamped with the inner walls of the through holes of the connectors.

6. A joint according to claim 4, wherein: the outer end side wall of the fixing piece positioned on the outer side is provided with a ring groove, and the end part of the outer end of the joint is embedded into the ring groove through a forging process.

7. A joint according to claim 4, wherein: in the two fixing pieces, the size of the through hole part of the fixing piece where the inner side edge of the annular disc-shaped clamp spring is located is larger than the size of the cross section of the oil pipe, so that the annular edge of the annular disc-shaped clamp spring can move.

8. A joint according to any one of claims 2 to 6, wherein: and an annular sealing ring is arranged in the through hole positioned in the middle or the inner side of the joint, and the opening size of the annular sealing ring is matched with the size of the oil pipe.

9. A joint according to any one of claims 3 to 6, wherein: the cylindrical body is clamped with the fixing piece or the joint or is in threaded connection with the fixing piece or the joint.

10. A joint according to claim 9, wherein: the structure that the cylindrical body is connected with the fixing piece or the joint in a clamping manner is as follows: the side wall of the inner part of the cylindrical body is provided with a slotted groove, and a step-shaped retaining structure is arranged between the middle part of the side wall and the joint or the fixing piece.

11. The utility model provides a quantitative distributor, includes that both ends are equipped with the main part of entry, export respectively, and exit end sealing connection has the joint, is equipped with quantitative measurement subassembly, its characterized in that between the export of main part, the entry: further comprising a joint according to any of the preceding claims 1-10.