CN212154984U

CN212154984U - High-sealing-performance carbon steel pipe of vaporizer

Info

Publication number: CN212154984U
Application number: CN202020413725.4U
Authority: CN
Inventors: 周杰; 陈晓龙; 薛巍; 陈汪洋; 钱超
Original assignee: Zhangjiagang Yingda Gas Co ltd
Current assignee: Zhangjiagang Yingda Gas Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-12-15
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a vaporizer carbon steel pipe of high leakproofness, including carbon steel pipe, connecting pipe and seal cover, the both ends symmetry about the carbon steel pipe is provided with the connector, and the connector one side of keeping away from the carbon steel pipe is provided with the thread bush head, the one end that the connecting pipe is close to the carbon steel pipe is provided with the thread bush head, and the inner wall of thread bush head be provided with the internal thread with thread bush head outer wall screw thread looks adaptation, the thread bush head passes through screw thread and thread bush head zonulae occludens, all be provided with the external screw thread on connector and the thread bush head, the inner wall of seal cover is provided with the internal thread with the surface screw thread looks adaptation of connector and thread bush head. The utility model discloses a set up the seal cover and cup joint in the junction outside of connector and thread bush head to strengthen the firm nature of thread bush head and thread bush head junction, can avoid the connection of thread bush head and thread bush head to appear becoming flexible, and can increase extra sealed effect to the junction of thread bush head and thread bush head, in order to increase the leakproofness.

Description

High-sealing-performance carbon steel pipe of vaporizer

Technical Field

The utility model relates to a vaporizer technical field specifically is a vaporizer carbon steel pipe of high leakproofness.

Background

Carburetors are commonly known as "carburetors". The most important equipment in the fuel supply system of gasoline engines. A conveying pipeline used for the carburetor usually adopts a carbon steel pipe, the carbon steel pipe is made of steel ingots or solid round steel through perforation to form a capillary pipe, and then the capillary pipe is hot rolled, cold rolled or cold drawn, but the existing carbon steel pipe is only connected by simple threads, vibration can be generated in the pipeline due to fluid movement, and the vibration can be transmitted through a threaded connection part, so that the connection part can be abraded and loosened due to vibration, and the sealing property of the carbon steel pipe can be influenced along with the increase of the service time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vaporizer carbon steel pipe of high leakproofness to solve the carbon steel pipe junction that proposes among the above-mentioned background art and can appear wearing and tearing and not hard up because of vibrations, along with live time's increase, can influence the problem of the leakproofness of carbon steel pipe.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a vaporizer carbon steel pipe of high leakproofness, includes carbon steel pipe, connecting pipe and seal cover, the both ends symmetry about the carbon steel pipe is provided with the connector, and the connector one side of keeping away from the carbon steel pipe is provided with the screw thread head, the one end that the connecting pipe is close to the carbon steel pipe is provided with the screw thread pullover, and the inner wall of screw thread pullover be provided with the internal thread of screw thread head outer wall screw thread looks adaptation, the screw thread pullover passes through screw thread and screw thread head zonulae occludens, all be provided with the external screw thread on connector and the screw thread pullover, the inner wall of seal cover is provided with the internal thread with the surface screw thread looks adaptation of connector and screw thread pullover, the seal cover cup joints overhead at connector and.

Preferably, the end of the thread head and the end of the thread sleeve head are both provided with a sealant, the sealant is in a ring shape, and the joint of the thread head and the thread sleeve head is sealed by the sealant.

Preferably, the length of the connecting head is greater than that of the sealing sleeve, and the length of the threaded sleeve head is equal to half of the length of the sealing sleeve.

Preferably, the locking mechanism comprises a movable cavity, the inner wall of the seal sleeve is provided with the movable cavity, a spring is vertically arranged in the movable cavity, an embedded block is arranged at the lower end opening of the movable cavity, the diameter of the upper end of the embedded block is equal to the inner diameter of the movable cavity, the embedded block is slidably connected with the lower end opening of the movable cavity, the upper end of the embedded block is abutted to the lower end of the spring, the surface of one side, away from the carbon steel pipe, of the lower end of the embedded block is arranged to be inclined, and an embedded groove with the same inner diameter as the diameter of the outer end of the embedded block is formed in the connecting head.

Preferably, the jack has been seted up to the upper end of seal cover, and the outer end opening part of jack is vertical to be inserted and is equipped with the connecting rod, the lower extreme of connecting rod passes through the bearing and inserts the upper end of establishing at the abaculus, fixed mounting has the nut in the upper end opening of jack, and the nut cup joints on the connecting rod, be provided with the external screw thread with connecting rod looks adaptation on the downside outer wall of connecting rod, the fixed welding in upper end of connecting rod has the knob.

Compared with the prior art, the beneficial effects of the utility model are that: the high-tightness carbon steel pipe of the vaporizer is sleeved outside the joint of the connector and the threaded sleeve head by the sealing sleeve to strengthen the firmness of the joint of the threaded head and the threaded sleeve head, avoid the looseness of the connection of the threaded head and the threaded sleeve head and increase the extra sealing effect on the joint of the threaded head and the threaded sleeve head to increase the tightness, in addition, the sealing sleeve can transmit the vibration transmitted by the connecting pipe to the carbon steel pipe to avoid the excessive abrasion of the connection of the threaded head and the threaded sleeve head caused by the conduction of the threaded head and the threaded sleeve head independently, meanwhile, the sealing sleeve is provided with the locking mechanism which can lock the sealing sleeve to limit the sealing sleeve, so that the sealing sleeve can not rotate due to vibration or accidental contact after being installed to influence the connection of the sealing sleeve to ensure that the sealing sleeve is connected tightly enough, and the loosening phenomenon can not occur.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic side view of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure A in FIG. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the structure B in fig. 1 according to the present invention.

In the figure: 1. a carbon steel pipe; 2. a connector; 3. a screw head; 4. a connecting pipe; 5. threading a sleeve head; 6. sealing glue; 7. sealing sleeves; 8. a movable cavity; 9. a spring; 10. an insert block; 11. caulking grooves; 12. a connecting rod; 13. a nut; 14. a knob.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a high-sealing carburetor carbon steel pipe comprises a carbon steel pipe 1, a connecting pipe 4 and a sealing sleeve 7, wherein connectors 2 are symmetrically arranged at the left end and the right end of the carbon steel pipe 1, one side, away from the carbon steel pipe 1, of each connector 2 is provided with a threaded head 3, one end, close to the carbon steel pipe 1, of each connecting pipe 4 is provided with a threaded sleeve head 5, the inner wall of each threaded sleeve head 5 is provided with an internal thread matched with the thread of the outer wall of the corresponding threaded head 3, the threaded sleeve heads 5 are tightly connected with the threaded heads 3 through threads, the connectors 2 and the threaded sleeve heads 5 are provided with external threads, the inner wall of the sealing sleeve 7 is provided with internal threads matched with the threads on the outer surfaces of the connectors 2 and the threaded sleeve heads 5, the sealing sleeve 7 is sleeved on the connectors 2 and the threaded;

the end heads of the thread head 3 and the thread sleeve head 5 are both provided with the sealant 6, the sealant 6 is annular, the sealant 6 seals the joint of the thread head 3 and the thread sleeve head 5, and the structure performs double sealing on the inside of the joint of the thread head 3 and the thread sleeve head 5 through the sealant 6, so that the sealing effect of the joint of the thread head 3 and the thread sleeve head 5 is improved;

as shown in fig. 1, the length of the connector 2 is greater than that of the sealing sleeve 7, the length of the threaded sleeve head 5 is equal to half of that of the sealing sleeve 7, the sealing sleeve 7 can be completely and rotatably received on the connector 2 through the threaded action, and when the sealing sleeve 7 is sleeved on the threaded sleeve head 5, the outer side of the joint of the threaded sleeve head 5 and the threaded sleeve head 3 can be covered, so that the sealing effect is exerted on the joint of the threaded sleeve head 3 and the threaded sleeve head 5, and the sealing performance is improved;

as shown in fig. 4, the locking mechanism includes a movable cavity 8, the inner wall of the sealing sleeve 7 is provided with the movable cavity 8, the interior of the movable cavity 8 is vertically provided with a spring 9, an opening at the lower end of the movable cavity 8 is provided with an insert 10, the diameter of the upper end of the insert 10 is equal to the inner diameter of the movable cavity 8, the insert 10 is slidably connected at the opening at the lower end of the movable cavity 8, the upper end of the insert 10 abuts against the lower end of the spring 9, the surface of the lower end of the insert 10, which is far away from the carbon steel pipe 1, is inclined, the connector 2 is provided with an insert groove 11, the inner diameter of which is equal to the outer end diameter of the insert 10, when in use, in combination with the following text, the locking mechanism is firstly opened, so that the insert 10 keeps the state of being accommodated in the movable cavity 8, then the sealing sleeve 7 is sleeved on the connector 2, and the inclined plane end, the sealing sleeve 7 is completely sleeved on the connector 2, then after the connection between the threaded head 3 and the threaded sleeve head 5 is finished, the locking mechanism is opened, the insert 10 is in a state of waiting for firing, then the sealing sleeve 7 is rotated, the sealing sleeve 7 extends out through the threaded fit with the connector 2 until the outer end of the sealing sleeve 7 contacts the threaded sleeve head 5, the sealing sleeve 7 is continuously rotated to perform the threaded action through the threaded fit with the outer surface of the threaded sleeve head 5 until the sealing sleeve 7 is sleeved on the threaded sleeve head 5, the joint of the threaded sleeve head 5 and the threaded head 3 is covered, when the sealing sleeve 7 moves, as the inclined plane of the insert 10 is the same as the moving direction of the sealing sleeve 7, the inclined plane end of the insert 10 can change the transverse force into the vertical force when being stressed, and the insert 10 can be always kept in the movable cavity 8 when being limited by the connector 2, the insert 10 is contained in the movable cavity 8, so the upper end of the insert 10 can extrude the spring 9, after the sealing sleeve 7 moves to a specified position, the inclined plane end of the insert 10 is aligned with the insert groove 11, the outer end of the insert 10 is not blocked at the moment, the spring 9 in a compressed state can push the insert 10 out of the movable cavity 8 through the complex elasticity, the inclined plane end of the insert 10 can be inserted into the insert groove 11, the sealing sleeve 7 is limited through the insert 10, the sealing sleeve 7 cannot rotate, the connection of the sealing sleeve 7 can be kept tight all the time, and looseness cannot occur, so that the sealing sleeve 7 can well seal the connection part of the thread head 3 and the thread sleeve head 5;

as shown in fig. 1 and 4, the upper end of the sealing sleeve 7 is provided with a jack, an opening at the outer end of the jack is vertically inserted with a connecting rod 12, the lower end of the connecting rod 12 is inserted at the upper end of the insert 10 through a bearing, a nut 13 is fixedly installed in the opening at the upper end of the jack, the nut 13 is sleeved on the connecting rod 12, an external thread matched with the connecting rod 12 is arranged on the outer wall of the lower side of the connecting rod 12, and a knob 14 is fixedly welded at the upper end of the connecting rod 12, when the locking mechanism is needed to be opened, the knob 14 is pulled upwards, so that the knob 14 drives the insert 10 to leave the insert 11 through the connecting rod 12 and is accommodated in the movable cavity 8, and the insert 10 extrudes the spring 9 in the process until the thread part on the connecting rod 12 contacts the nut 13, the knob 14 is rotated, the connecting rod 12 is driven by the knob 14 to rotate and is in threaded fit, cause spring 9 to be through the unable inserted block 10 that promotes of compound elasticity, thereby guarantee that inserted block 10 is located the unable extension in activity chamber 8, can rotate seal cover 7 afterwards, make seal cover 7 separate with screw thread pullover 5 through the screw thread effect, and remove to the connector 2 completely, the junction of screw thread pullover 3 and screw thread pullover 5 exposes outside this moment, can overhaul or dismantle work, need open locking mechanism, only need reverse knob 14, make knob 14 drive connecting rod 12 and nut 13 separation, spring 9 can pop out inserted block 10 through its compound elasticity afterwards, make inserted block 10 stretch out and be in the activity chamber 8 and treat the state of sending out, do above the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a vaporizer carbon steel pipe of high leakproofness, includes carbon steel pipe (1), connecting pipe (4) and seal cover (7), its characterized in that: the left end and the right end of the carbon steel pipe (1) are symmetrically provided with connectors (2), one side of each connector (2) far away from the carbon steel pipe (1) is provided with a threaded head (3), one end of the connecting pipe (4) close to the carbon steel pipe (1) is provided with a thread sleeve head (5), and the inner wall of the thread sleeve head (5) is provided with an internal thread matched with the thread of the outer wall of the thread sleeve head (3), the thread sleeve head (5) is tightly connected with the thread head (3) through threads, the connector (2) and the thread sleeve head (5) are both provided with external threads, the inner wall of the sealing sleeve (7) is provided with internal threads matched with the external surface threads of the connector (2) and the threaded sleeve head (5), the sealing sleeve (7) is sleeved on the connector (2) and the threaded sleeve head (5) through threads, and a locking mechanism is arranged on the sealing sleeve (7).

2. The highly sealable carburetor carbon steel tube according to claim 1, wherein: the end department of screw thread head (3) and screw thread pullover (5) all is provided with sealed glue (6), and sealed glue (6) and be ring shape, sealed glue (6) seal the junction of screw thread head (3) and screw thread pullover (5).

3. The highly sealable carburetor carbon steel tube according to claim 1, wherein: the length of the connector (2) is greater than that of the sealing sleeve (7), and the length of the threaded sleeve head (5) is equal to half of that of the sealing sleeve (7).

4. The highly sealable carburetor carbon steel tube according to claim 1, wherein: locking mechanical system is including activity chamber (8), activity chamber (8) have been seted up to the inner wall of seal cover (7), and the vertical spring (9) that is provided with in inside in activity chamber (8), the lower extreme opening part in activity chamber (8) is provided with abaculus (10), and the upper end diameter of abaculus (10) equals with the internal diameter in activity chamber (8), abaculus (10) are at the lower extreme opening part sliding connection in activity chamber (8), the upper end of abaculus (10) offsets with the lower extreme of spring (9), the surface that one side of carbon steel pipe (1) was kept away from to abaculus (10) lower extreme sets up to the slope form, set up internal diameter and equal caulking groove (11) of the outer end diameter of abaculus (10) on connector (2).

5. The highly sealable carburetor carbon steel tube according to claim 4, wherein: the upper end of seal cover (7) has been seted up the jack, and the outer end opening part of jack is vertical to be inserted and is equipped with connecting rod (12), the lower extreme of connecting rod (12) is inserted through the bearing and is established the upper end of abaculus (10), fixed mounting has nut (13) in the upper end opening of jack, and nut (13) cup joint on connecting rod (12), be provided with the external screw thread with connecting rod (12) looks adaptation on the downside outer wall of connecting rod (12), the fixed welding in upper end of connecting rod (12) has knob (14).