CN218766990U - Rotary locking type airspeed head - Google Patents

Abstract

The utility model discloses a rotatory locking formula airspeed head, including body and tube socket, the body can stretch into inside the tube socket, install the elastic component in the tube socket, the body stretches into during the tube socket the body tip with the elastic component contacts each other, the body is equipped with first locking portion outward, be equipped with in the tube socket with the second locking portion of first locking portion mutually supporting, the body with be equipped with locking take off subassembly between the tube socket. The beneficial effects of the utility model are that, increase built-in spring in the tube socket, need insert the tube socket hard with the body when body and tube socket two parts combine and rotate to target in place again, the elasticity that combines the back spring makes the joint part tighter, prevents to leak and presses.

Description

Rotary locking type airspeed head

Technical Field

The utility model relates to an unmanned aerial vehicle airspeed head technical field, especially a rotatory locking formula airspeed head.

Background

Pitot tubes are also known as pitot tubes, total pressure tubes, total-static pressure tubes. The device senses the total pressure and static pressure of the airflow and transmits the measured pressure data to an atmospheric data computer and an aerometer. The connection is generally for dismantling to current split type airspeed head, through the retrieval, the bulletin number: CN209606459U, patent name: the airspeed head for the unmanned aerial vehicle with the quick assembly and disassembly function comprises a quick-disassembly airspeed head, an airspeed head fixing seat and a connecting guide pipe, wherein the quick-disassembly airspeed head, the airspeed head fixing seat and the connecting guide pipe are sequentially communicated; the quick-release airspeed head is connected with the airspeed head fixing seat through threads; airspeed tube fixing base and connecting tube pass through public female first joint.

This detachable metal airspeed tube is helicitic texture, nevertheless because the metal material adopts threaded connection the phenomenon of threading off to appear easily, and then influences the airspeed tube gas tightness, influences the aircraft performance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a rotatory locking type airspeed head is designed. The pipe comprises a pipe body and a pipe seat, wherein the pipe body can stretch into the pipe seat, an elastic part is installed in the pipe seat, the end part of the pipe body is in mutual contact with the elastic part when the pipe seat is stretched into the pipe body, a first locking part is arranged outside the pipe body, a second locking part matched with the first locking part is arranged in the pipe seat, and an anti-loosening assembly is arranged between the pipe body and the pipe seat.

Furthermore, the number of the first locking portions is at least two, the first locking portions comprise first screwing blocks and first limiting blocks, the first limiting blocks are fixed at the end portions of the first screwing blocks, and the first limiting blocks protrude out of the first screwing blocks.

Further, the width of the first screwing block gradually increases along the direction close to the first limiting block.

Furthermore, the second locking portion is arranged along the circumferential direction of the tube seat and comprises at least two second screwing blocks and second limiting blocks, the second limiting blocks are fixed at the end portions of the second screwing blocks, the second limiting blocks protrude out of the second screwing blocks, the first screwing blocks are in contact with the second screwing blocks in a screwing state, the end portions of the first screwing blocks are abutted to the second limiting blocks, and the end portions of the second screwing blocks are abutted to the first limiting blocks.

Further, the width of the second screwing block is gradually increased along the direction close to the first limiting block.

Furthermore, the anti-loosening assembly comprises a positioning rod, a positioning seat and a positioning hole, the positioning rod penetrates through the tube seat, the positioning hole is formed in the tube body, the positioning rod can be matched with the positioning hole, and the positioning seat is fixed on the side wall of the positioning rod.

Furthermore, a guide frame is fixed on the outer wall of the tube seat, a limiting plate is fixed at the end part of the guide frame, and the guide frame is arranged outside the positioning rod.

Utilize the technical scheme of the utility model a rotatory locking formula airspeed head of preparation, the beneficial effect who reaches:

(1) The built-in spring is added in the tube seat, when the tube body and the tube seat are combined, the tube body needs to be forcibly inserted into the tube seat and then rotated in place, and the elasticity of the spring after combination enables the combined part to be tighter, so that pressure leakage is prevented;

(2) The swivelling joint of body and tube socket is realized through the first locking portion outside the body of tube and the second locking portion in the tube socket, installs the locking subassembly that takes off outside body and tube socket simultaneously, and the three mutually supports and makes body and tube socket cooperation stable be difficult to the dropout.

Drawings

Fig. 1 is a perspective view of a rotary locking pitot tube according to the present invention;

fig. 2 is an exploded view of a rotary locking pitot tube according to the present invention;

fig. 3 is a top view of a rotary locking pitot tube according to the present invention;

fig. 4 isbase:Sub>A cross-sectional view of the present invention in the direction ofbase:Sub>A-base:Sub>A in fig. 3;

fig. 5 is a schematic structural view of the tube body and the first locking portion of the present invention;

fig. 6 is a schematic structural view of the tube seat and the second locking portion of the present invention;

in the figure, 1, a tube body; 2. a tube holder; 3. an elastic member; 4. a first locking portion; 41. a first screwing block; 42. a first stopper; 5. a second locking portion; 51. a second screwing block; 52. a second limiting block; 6. an anti-loosening assembly; 61. positioning a rod; 62. positioning seats; 63. positioning holes; 64. a guide frame; 65. and a limiting plate.

Detailed Description

It is right next to combine the attached drawing the utility model discloses it is specific to describe, a rotatory locking formula airspeed head, as shown in fig. 1-fig. 3, including body 1 and tube socket 2, body 1 can stretch into inside tube socket 2, install elastic component 3 in the tube socket 2, body 1 stretches into during tube socket 2 body 1 tip with elastic component 3 mutual contact, body 1 is equipped with first locking portion 4 outward, be equipped with in the tube socket 2 with second locking portion 5 of first locking portion 4 mutually supporting, body 1 with be equipped with locking loose subassembly 6 between the tube socket 2. Body 1 and tube socket 2 constitute unmanned aerial vehicle's airspeed tube jointly, and wherein, rotatory locking is realized with second locking portion 5 to body 1 and tube socket 2 accessible first locking portion 4 to by the stable connection of locking subassembly 6 with the two together, prevent the pine from taking off. The elastic part 3 is added in the tube seat 2, the elastic part 3 can be selected as a spring, when the tube body 1 and the tube seat 2 are combined, the tube body 1 needs to be forcibly inserted into the tube seat 2 and rotated to a position, and after combination, the elasticity of the spring enables the joint part to be tighter, so that pressure leakage is prevented.

As shown in fig. 5 and 6, at least two first locking portions 4 are arranged along the circumferential direction of the tube 1, the first locking portion 4 includes a first locking block 41 and a first stopper 42, the first stopper 42 is fixed to an end of the first locking block 41, and the first stopper 42 protrudes from the first locking block 41. The first locking portion 4 is fixed on the outer wall of the tube body 1 and arranged at the end of the tube body 1 for being matched with the tube seat 2. The second locking portion 5 is arranged at least two along the circumferential direction of the tube seat 2, the second locking portion 5 includes a second screwing block 51 and a second limiting block 52, the second limiting block 52 is fixed at the end of the second screwing block 51, the second limiting block 52 protrudes from the second screwing block 51, the first screwing block 41 is in contact with the second screwing block 51 in the screwing state, the end of the first screwing block 41 is abutted against the second limiting block 52, and the end of the second screwing block 51 is abutted against the first limiting block 42. When combining body 1 and tube socket 2 together, stretch into tube socket 2 with the one end that has first locking portion 4 on the body 1 earlier, through rotatory first locking portion 4 and the mutual adaptation of second locking portion 5, until rotatory first spinning piece 41 tip and second stopper 52 counterbalance, second spinning piece 51 tip and second stopper 52 counterbalance, body 1 and tube socket 2 are supported tightly respectively to the elastic component 3 both ends simultaneously.

The first fastening block 41 has a width gradually increasing in a direction approaching the first stopper 42. The second tightening block 51 has a width gradually increasing in a direction approaching the first stopper 42. The width of first screwing block 41 and second screwing block 51 gradually changes, and on the one hand can adapt to the process of rotation, and on the other hand makes the effect of rotation inseparabler and inseparable, is difficult for loosening.

As shown in fig. 4, the anti-loose assembly 6 includes a positioning rod 61, a positioning seat 62 and a positioning hole 63, the positioning rod 61 passes through the tube seat 2, the tube body 1 is provided with the positioning hole 63, the positioning rod 61 can be matched with the positioning hole 63, and the positioning seat 62 is fixed on the side wall of the positioning rod 61. The anti-loosening assembly 6 is used for fixing the rotated pipe body 1 and the pipe seat 2 together, and is not easy to loosen or move relatively. Specifically, the positioning rod 61 and the positioning seat 62 can move along the tube seat 2, and after the tube body 1 and the tube seat 2 are screwed tightly, the positioning rod 61 is pushed to penetrate through the tube seat 2 and to be matched with the positioning hole 63, so that the tube body 1 and the tube seat 2 are locked.

A guide frame 64 is fixed on the outer wall of the tube seat 2, a limiting plate 65 is fixed at the end part of the guide frame 64, and the guide frame 64 is arranged outside the positioning rod 61. A positioning seat 62 extends from the outer wall of the positioning rod 61 along the circumferential direction, the positioning seat 62 plays a role of limiting the moving distance of the positioning rod 61, and when the positioning seat 62 contacts the tube seat 2, the positioning hole 63 is tightly matched with the positioning rod 61. When the positioning rod 61 is pulled out from the positioning hole 63 and the end of the positioning rod 61 contacts the stopper plate 65, the positioning rod 61 is held in the tube holder 2 and is not released, and the positioning rod 61 is further restricted in position.

In addition, can also install spacing spring between positioning seat 62 and limiting plate 65, the both ends of spring are fixed in positioning seat 62 and limiting plate 65 respectively, and set up in the locating lever 61 outside, during initial state, spacing spring is in the extension state, limiting plate 65 supports under spacing spring's elastic action on tube socket 2, when needs fix body 1 and tube socket 2 together, pulling limiting plate 65, spacing spring takes place the compression under the elastic action, locating lever 61 removes along leading truck 64, loosen limiting plate 65 afterwards, limiting plate 65 drives locating lever 61 and stretches into in the locating hole 63.

The working principle is as follows:

during assembly, the end of the tube body 1 is inserted into the tube seat 2 and the tube body 1 is rotated to enable the first locking portion 4 and the second locking portion 5 to be tightly combined, meanwhile, the elastic piece 3 is in mutual contact with the tube body 1 and the tube seat 2 to keep the relative position relation between the tube body 1 and the tube seat 2, and finally, the positioning rod 61 is inserted into the positioning hole 63 to achieve locking.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims (7)

1. The utility model provides a rotatory locking formula airspeed head, a serial communication port, including body (1) and tube socket (2), body (1) can stretch into inside tube socket (2), install elastic component (3) in tube socket (2), body (1) stretches into during tube socket (2) body (1) tip with elastic component (3) contact each other, body (1) is equipped with first locking portion (4) outward, be equipped with in tube socket (2) with second locking portion (5) of first locking portion (4) mutually supporting, body (1) with be equipped with between tube socket (2) and prevent taking off subassembly (6).

2. A rotary locking pitot tube according to claim 1, wherein at least two first locking portions (4) are arranged along the circumferential direction of the tube body (1), the first locking portions (4) comprise first locking blocks (41) and first limiting blocks (42), the first limiting blocks (42) are fixed at the ends of the first locking blocks (41), and the first limiting blocks (42) protrude out of the first locking blocks (41).

3. A rotary locking pitot tube according to claim 2, wherein the first turning block (41) is gradually increased in width in a direction approaching the first stopper (42).

4. A rotational locking pitot tube according to claim 3, wherein at least two of the second locking parts (5) are arranged along the circumferential direction of the tube seat (2), the second locking part (5) comprises a second tightening block (51) and a second limiting block (52), the second limiting block (52) is fixed at the end of the second tightening block (51), the second limiting block (52) protrudes from the second tightening block (51), the first tightening block (41) and the second tightening block (51) are contacted with each other in the tightening state, the end of the first tightening block (41) is abutted against the second limiting block (52), and the end of the second tightening block (51) is abutted against the first limiting block (42).

5. A rotary locking pitot tube according to claim 4, wherein the width of the second rotary locking block (51) increases gradually in a direction approaching the first stop block (42).

6. The rotary locking airspeed head of claim 1, wherein the anti-loose assembly (6) comprises a positioning rod (61), a positioning seat (62) and a positioning hole (63), the positioning rod (61) passes through the tube seat (2), the tube body (1) is provided with the positioning hole (63), the positioning rod (61) can be mutually matched with the positioning hole (63), and the positioning seat (62) is fixed on the side wall of the positioning rod (61).

7. A rotary locking airspeed head as claimed in claim 6, wherein the tube holder (2) is fixed with a guide bracket (64) on its outer wall, the end of the guide bracket (64) is fixed with a limiting plate (65), and the guide bracket (64) is arranged outside the locating rod (61).

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