Gateline firework with reduced packaging length

Abstract

A plurality of bead spitting products surround the outer wall of a core tube and are fixedly connected with the core tube to form a combined body, a sliding seat is fixedly arranged at the bottom end of the combined body, the sliding seat is provided with a middle hole corresponding to an inner cavity of the core tube, and the combined body and the sliding seat of the combined body are sleeved in an outer cylinder in a sliding mode. An upper connecting sleeve is fixedly mounted at the top end opening of the outer cylinder, and the upper connecting sleeve is connected with the sliding seat through a first clamping mechanism or a first expansion mechanism; the lower connecting sleeve is fixedly installed in a bottom port of the outer cylinder in an embedded mode, and the handle body is composed of a connecting part and a handle part. The connecting part can be inserted into the inner cavity of the lower connecting sleeve; the lower connecting sleeve is connected with the connecting part through a second clamping mechanism or a second expansion mechanism; and the inner cavity of the core tube, the middle hole and the upper port of the lower connecting sleeve allow the handle part of the handle body to be inserted. The length of a product in a standby state is effectively shortened from the upper direction and the lower direction based on an inner space and outer space overlapping mode, and the length ratio of the standby state to the working state is effectively reduced; and the state conversion operation is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of Gatling fireworks. BACKGROUND

[0002] In prior art, Chinese patent document with authorization announcement No.

[0003] But prior art only shortens the packaging length occupied by handle body, in order to further reduce its packaging storage and transportation cost, especially the high ocean freight of export fireworks, the length ratio of standby state / working state of existing Gatling fireworks still needs to be further optimized, and the operation in the conversion of standby state / working state is required to be convenient to use. SUMMARY

[0004] In order to solve the above-mentioned disadvantages, the technical problem to be solved by the utility model is to provide a kind of Gatling fireworks, effectively reduce the length ratio of standby state / working state, and the operation in the conversion of standby state / working state is convenient to use. In order to solve the above-mentioned technical problem, the technical scheme adopted by the utility model is a kind of Gatling fireworks of reducing packaging length, including a plurality of bead products, outer tube, handle body, further including core pipe, a plurality of bead products are fixedly connected with core pipe to form a combination around the outer wall of core pipe, the bottom end of combination is fixed with sliding seat, sliding seat has middle hole corresponding to the inner cavity of core pipe, combination and its sliding seat are slidingly sleeved in the outer tube;The top of the outer tube is fixedly installed with connecting sleeve, and the connecting sleeve is connected between the sliding seat by first clamping mechanism or first expansion mechanism;

[0005] The bottom of the outer tube is fixedly installed with embedded lower connecting sleeve, and the handle body is composed of connecting part and handle part;The connecting part can be inserted into the inner cavity of the lower connecting sleeve;The lower connecting sleeve and the connecting part are connected by second clamping mechanism or second expansion mechanism;The inner cavity of core pipe, middle hole and upper end of lower connecting sleeve allow handle part of handle body to be inserted.

[0006] In standby state: combination and its sliding seat slide downward in the inner cavity of outer tube and shrink until abutting with lower connecting sleeve;The handle body is upside-down structure with handle part on top: handle part is inserted into the inner cavity of core pipe through the inner cavity of lower connecting sleeve and middle hole, and connecting part is located in the inner cavity of lower connecting sleeve;

[0007] In the working state, the combination and the sliding seat slide along the inner cavity of the outer cylinder to extend upward until the upper connecting sleeve is connected with the lower connecting sleeve through the first clamping mechanism or the first expansion mechanism; the handle body is in a normal structure with the handle part below; the connecting part is located in the inner cavity of the lower connecting sleeve and is connected with the lower connecting sleeve through the second clamping mechanism or the second expansion mechanism.

[0008] As can be seen from the above, the utility model has the advantages that the utility model makes full use of the inner cavity space of the core pipe in the handle body upside-down mode, makes full use of the inner cavity space of the outer cylinder in the sliding mode of the combination, effectively shortens the length of the product in the standby state from the upper and lower directions based on the superposition of the inner and outer spaces, and effectively reduces the length ratio of the standby state / the working state; and the structure also has the advantages of convenient operation in the conversion between the standby state and the working state.

[0009] In the technical scheme, the first or second expansion mechanism is a taper sleeve expansion mechanism, the inner cavity of the upper connecting sleeve / lower connecting sleeve and the outer wall of the sliding seat / connecting part are in a matching taper structure with the upper part being smaller than the lower part, the sliding seat slides upward along the inner cavity of the upper connecting sleeve, or the connecting part slides upward along the inner cavity of the lower connecting sleeve, until the two are in an expansion state, and the connection is completed.

[0010] In order to improve the convenience of the conversion operation between the standby state and the working state, ensure the clear hand feeling, the operation is light and accurate, and the parts are closely matched, the utility model can preferably adopt the following clamping mechanism.

[0011] In one embodiment, the first clamping mechanism comprises:

[0012] A clamping groove A and a limiting protrusion arranged on the inner wall of the upper connecting sleeve;

[0013] An elastic clamping tongue A arranged on the upper end of the outer wall of the sliding seat;

[0014] When the upper end of the outer wall of the sliding seat abuts against the limiting protrusion, the elastic clamping tongue A is clamped into the clamping groove A.

[0015] In one embodiment, the second clamping mechanism comprises:

[0016] An elastic clamping piece arranged at the top end of the connecting part A of the handle body and an axial groove A arranged on the outer wall of the connecting part A, the elastic clamping piece and the axial groove A being distributed in a circumferential direction of the outer wall of the connecting part A;

[0017] A limiting clamping groove arranged on the inner wall of the top end of the lower connecting sleeve A and an axial protrusion arranged on the inner wall of the lower connecting sleeve A;

[0018] The axial protrusion is inserted into the axial groove A, and the handle body is pushed upward until the elastic clamping piece is clamped into the limiting clamping groove.

[0019] In one embodiment, the second clamping mechanism comprises:

[0020] The latch and the axial boss are distributed along the outer wall of the connecting part B in a circumferential direction, and the top of the axial boss is lower than the bottom of the latch;

[0021] The snap ring is arranged on the inner wall of the bottom end of the lower connecting sleeve B, and a notch is arranged on the snap ring corresponding to the position of the latch;

[0022] The latch rises from the notch to above the snap ring, the top of the axial boss abuts against the lower surface of the snap ring, and the handle body is rotated to make the latch clamped on the upper surface of the snap ring.

[0023] In one embodiment, the second clamping mechanism comprises:

[0024] The axial slot is arranged on the outer wall of the connecting part C of the handle body, and a clamping part is arranged on one side of the bottom end of the axial slot;

[0025] The key body is arranged on the inner wall of the bottom end of the lower connecting sleeve C;

[0026] The key body is nested in the axial slot, the top end of the connecting part C abuts against the top end of the lower connecting sleeve C, the handle body is rotated, and the key body is clamped in the clamping part.

[0027] In one embodiment, the second clamping mechanism comprises:

[0028] The axial groove B is arranged on the outer wall of the connecting part D of the handle body, and a resilient clamping tongue B is arranged on the groove bottom of the top end of the axial groove B;

[0029] The axial convex rib is arranged on the inner wall of the lower connecting sleeve D, and a clamping groove B is arranged on the top end of the axial convex rib;

[0030] The axial convex rib is nested in the axial groove B, the top end of the connecting part D abuts against the top end of the lower connecting sleeve D, and the resilient clamping tongue B is clamped in the clamping groove B.

[0031] Of course, it is not necessary to achieve all the advantages described above when implementing any product of the present application.

[0032] In the description of the present application, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the description of the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, such as the specific clamping manner described by "second clamping mechanism" can also be used for "first clamping mechanism", and vice versa. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as understood by those skilled in the art of the technology to which the present application belongs. The term "and / or" as used herein includes any and all combinations of one or more related listed items.

[0033] It should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0034] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0035] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically defined. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0037] It should be noted that when an element is referred to as "fixed to" or "provided on" another element, it can be directly on another element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and are not the only embodiment. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 It is the first perspective overall structure schematic view of working state for example 1.

[0039] Figure 2 It is the second perspective overall structure schematic view of working state for example 1.

[0040] Figure 3 It is the overall structure schematic view of standby state for example 1.

[0041] Figure 4 It is the schematic view of handle body upside down structure for example 1.

[0042] Figure 5 It is the combination structure schematic view of lower connecting sleeve and handle body for example 1.

[0043] Figure 6 It is the structure schematic view of lower connecting sleeve for example 1.

[0044] Figure 7 It is the structure schematic view of handle body for example 1.

[0045] Figure 8 It is the combination structure schematic view of upper connecting sleeve and sliding seat for example 1.

[0046] Figure 9 It is the structure schematic view of upper connecting sleeve for example 1.

[0047] Figure 10 It is the structure schematic view of sliding seat for example 1.

[0048] Figure 11 The first perspective structural view of the lower connecting sleeve of Example 2.

[0049] Figure 12 The second perspective structural view of the lower connecting sleeve of Example 2.

[0050] Figure 13 The structural view of the handle body of Example 2.

[0051] Figure 14 The combined structural schematic view of the lower connecting sleeve and the handle body of Example 2.

[0052] Figure 15 The first perspective structural view of the handle body of Example 3.

[0053] Figure 16 The structural view of the lower connecting sleeve of Example 3.

[0054] Figure 17 The second perspective structural view of the handle body of Example 3.

[0055] Figure 18 The combined structural schematic view of the lower connecting sleeve and the handle body of Example 3.

[0056] Figure 19 The structural schematic view of the lower connecting sleeve and the handle body of Example 4 in a separated state.

[0057] Figure 20 The combined structural schematic view of the lower connecting sleeve and the handle body of Example 4. DETAILED DESCRIPTION

[0058] Example 1: refer to the attached Figures 1-10 , reflecting a specific structure of the utility model. The reduced packaging length's Gatling firework includes a plurality of bead products 602, an outer cylinder 1, a handle body 3, and further includes a core pipe 601, the plurality of bead products 602 are fixedly connected around the outer wall of the core pipe 601 and the core pipe 601 to form a combination 6, and the top end of the combination 6 is provided with a cap sleeve 7.

[0059] The bottom end of the combination 6 is fixed with a sliding seat 5, the sliding seat 5 has a middle hole 502 corresponding to the inner cavity of the core pipe 601, and the combination 6 and the sliding seat 5 are slidingly sleeved in the outer cylinder 1; the top end of the outer cylinder 1 is fixed with an upper connecting sleeve 4, and the upper connecting sleeve 4 is connected with the sliding seat 5 through a first clamping mechanism. In the example, refer to Figure 8 、 9 , 10, the first clamping mechanism includes:

[0060] A clamping groove A401 and a limiting protrusion 402 arranged on the inner wall of the upper connecting sleeve 4;

[0061] The elastic clamping tongue A501 is arranged on the upper end of the outer wall of the sliding seat 5;

[0062] When the upper end of the outer wall of the sliding seat 5 abuts against the limiting protrusion 402, the elastic clamping tongue A501 is clamped into the clamping groove A401.

[0063] In other embodiments, the first expansion mechanism can be used to connect the upper connecting sleeve 4 and the sliding seat 5. The first expansion mechanism refers to a taper sleeve expansion mechanism. The inner cavity of the upper connecting sleeve 4 and the outer wall of the sliding seat 5 are in a matching taper structure with the upper part being smaller than the lower part. The sliding seat 5 slides upward along the inner cavity of the upper connecting sleeve 4 until the two form an expansion state, and the connection is completed.

[0064] The lower connecting sleeve A2 is embedded in the bottom port of the outer cylinder 1. The handle body 3 is composed of a connecting part A31 and a handle part 32. The connecting part A31 can be inserted into the inner cavity of the lower connecting sleeve A2. The inner cavity of the core tube 601, the middle hole 502, and the upper port 203 of the lower connecting sleeve A2 allow the handle part 32 to be inserted. The second clamping mechanism is used to connect the lower connecting sleeve A2 and the connecting part A31. For example, as shown in Figure 5 、 6 、7, the second clamping mechanism includes:

[0065] The elastic clamping 301 is arranged on the top end of the connecting part A31 of the handle body 3, and the axial groove A302 is arranged on the outer wall of the connecting part A31. The elastic clamping 301 and the axial groove A302 are distributed in a circumferential direction of the outer wall of the connecting part A31.

[0066] The limiting clamping groove 201 is arranged on the inner wall of the top end of the lower connecting sleeve A2, and the axial protrusion 202 is arranged on the inner wall of the lower connecting sleeve A2.

[0067] The axial protrusion 202 is inserted into the axial groove A302, and the handle body 3 is pushed upward until the elastic clamping 301 is clamped into the limiting clamping groove 201.

[0068] In other embodiments, the second expansion mechanism can be used to connect the lower connecting sleeve A2 and the connecting part A31. The second expansion mechanism refers to a taper sleeve expansion mechanism. The inner cavity of the lower connecting sleeve A2 and the outer wall of the connecting part A31 are in a matching taper structure with the upper part being smaller than the lower part. The connecting part A31 slides upward along the inner cavity of the lower connecting sleeve A2 until the two form an expansion state, and the connection is completed.

[0069] In the standby state, the combination 6 and the sliding seat 5 slide downward and shrink along the inner cavity of the outer cylinder 1 until they abut against the lower connecting sleeve A2. The handle body 3 is in an inverted structure with the handle part 32 on top, as shown in Figure 3 、 4 : The handle part 32 is inserted into the inner cavity of the core tube 601 through the upper port 203 and the middle hole 502 of the lower connecting sleeve A2, and the connecting part A31 is located in the inner cavity of the lower connecting sleeve A2.

[0070] Working state: the combination 6 and its sliding seat 5 slide along the inner cavity of the outer cylinder 1 to extend upward until it is clamped or expanded with the upper connecting sleeve 4; the handle body 3 is a positive structure with the handle part 32 below, see Figure 1 : the connecting part A31 is located in the inner cavity of the lower connecting sleeve A2 and is clamped or expanded with the lower connecting sleeve A2.

[0071] In the example, the combination 6 is circular in shape, and other corresponding parts are also circular. Other embodiments can also be other shapes, such as hexagonal, quadrilateral, square, etc.

[0072] Example 2: see attached Figures 11-14 The difference from example 1 is that the structure of the second clamping mechanism is different. In the example, the second clamping mechanism includes:

[0073] The clamping bolt 73 and the axial boss 74 are arranged on the outer side of the top end of the connecting part B72 of the handle body 71, the clamping bolt 73 and the axial boss 74 are distributed in the circumferential direction of the outer wall of the connecting part B72, and the top of the axial boss 74 is lower than the bottom of the clamping bolt 73;

[0074] The clamping ring 76 is arranged on the inner wall of the top end of the lower connecting sleeve B75, and the clamping ring 76 is provided with a notch 77 corresponding to the position of the clamping bolt 73;

[0075] The clamping bolt 73 rises above the clamping ring 76, the top of the axial boss 74 abuts the lower surface of the clamping ring 76, and the clamping bolt 73 is clamped into the upper surface of the clamping ring 76 by rotating the handle body 71.

[0076] Example 3: see attached Figures 15-18 The difference from example 1 is that the structure of the second clamping mechanism is different. In the example, the second clamping mechanism includes: an axial slot 82 is arranged on the outer wall of the connecting part C81 of the handle body, and a clamping part 83 is arranged on one side of the bottom end of the axial slot 82;

[0077] The key body 85 is arranged on the inner wall of the bottom end of the lower connecting sleeve C84;

[0078] The key body 85 is nested in the axial slot 82, and the connecting part C81 is abutted with the top end of the lower connecting sleeve C84, and the key body 85 is clamped into the clamping part 83 by rotating the handle body.

[0079] Example 4: see attached Figures 19-20 The difference from example 1 is that the structure of the second clamping mechanism is different. In the example, the second clamping mechanism includes:

[0080] The axial groove B92 is arranged on the outer wall of the connecting part D91 of the handle body, and the elastic clamping tongue B93 is arranged on the groove bottom of the top end of the axial groove B92;

[0081] The axial protrusion 95 is nested in the axial groove B92, and when the top end of the connecting part D91 abuts against the top end of the lower connecting sleeve D94, the elastic clamping tongue B93 is clamped into the clamping groove B96.

[0082] The axial protrusion 95 is nested in the axial groove B92, and when the top end of the connecting part D91 abuts against the top end of the lower connecting sleeve D94, the elastic clamping tongue B93 is clamped into the clamping groove B96.

[0083] The utility model discloses a structure, to the handle body upside-down mode makes full use of the inner cavity space of core pipe, to the combination body sliding mode makes full use of the inner cavity space of outer tube, and effectively shortens the length of product standby state from the upper and lower two directions based on the mode of inner and outer space superposition. Random sampling 100 products measured length: the product overall length under standby state is 47+0.5 centimeter, and the product overall length under working state is 95+0.5 centimeter. The length ratio of standby state / working state reaches 1:2 or more, and the product packaging length is greatly reduced, and the packaging storage and transportation cost is greatly reduced. Moreover, the operation is convenient in the conversion of standby / working state using the above structure, and the operation is light and accurate, and the part connection is close.

[0084] The above disclosed embodiments of the utility model are only used for helping the elaboration of the utility model. The embodiments do not describe all the details, and also limit the utility model to the specific implementation mode. Obviously, according to the content of the specification, can make many modifications and changes. The specification selects and combines the drawings to specifically describe these embodiments, to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. But the utility model can be implemented in many other ways different from the description, and the person skilled in the art can make similar improvements without violating the connotation of the utility model, therefore, the utility model is limited by the claims and the whole range and equivalent, and is not limited by the disclosed specific embodiments.

Claims

1. A Gatling gun firework with reduced packaging length, comprising several ejector products, an outer tube, and a handle, characterized in that, It also includes a core tube, and several bead-spitting products are fixedly connected to the core tube around the outer wall of the core tube to form an assembly. A sliding seat is fixedly installed at the bottom end of the assembly. The sliding seat has a central hole corresponding to the inner cavity of the core tube. The assembly and its sliding seat are slidably fitted inside the outer cylinder. An upper connecting sleeve is fixedly installed at the top end of the outer cylinder. The upper connecting sleeve and the sliding seat are connected by a first engaging mechanism or a first tightening mechanism. The lower connecting sleeve is embedded in the bottom port of the outer cylinder, and the handle is composed of a connecting part and a handle part; the connecting part can be inserted into the inner cavity of the lower connecting sleeve; the lower connecting sleeve and the connecting part are connected by a second engaging mechanism or a second tightening mechanism; the inner cavity of the core tube, the middle hole and the upper port of the lower connecting sleeve allow the handle part of the handle to be inserted.

2. A Gatling gun firework with reduced packaging length as described in claim 1, characterized in that, In standby mode: the assembly and its sliding seat slide downwards and retract along the inner cavity of the outer cylinder until they abut against the lower connecting sleeve; the handle is an inverted structure with the handle on top: the handle passes through the inner cavity and the central hole of the lower connecting sleeve and is inserted into the inner cavity of the core tube, and the connecting part is located in the inner cavity of the lower connecting sleeve; In working condition: the assembly and its sliding seat slide upward and outward along the inner cavity of the outer cylinder until they are connected to the upper connecting sleeve through the first engaging mechanism or the first tightening mechanism; the handle is a positive mounting structure with the handle at the bottom: the connecting part is located in the inner cavity of the lower connecting sleeve and is connected to the lower connecting sleeve through the second engaging mechanism or the second tightening mechanism.

3. A Gatling gun firework with reduced packaging length as described in claim 1 or 2, characterized in that, The first or second tightening mechanism refers to a conical sleeve tightening mechanism, in which the inner cavity of the upper connecting sleeve / lower connecting sleeve and the outer wall of the sliding seat / connecting part are matched conical structures with the lower part being larger than the upper part. The sliding seat slides upward along the inner cavity of the upper connecting sleeve, or the connecting part slides upward along the inner cavity of the lower connecting sleeve, until the two form a tightened state, thus completing the connection.

4. A Gatling firework with reduced packaging length as described in claim 1, characterized in that, The first locking mechanism includes: The slot A (401) and the limiting protrusion (402) are provided on the inner wall of the upper connecting sleeve (4); An elastic latch A (501) is provided on the upper end of the outer wall of the sliding seat (5); When the upper end of the outer wall of the sliding seat (5) abuts against the limiting protrusion (402), the elastic latch A (501) is engaged in the slot A (401).

5. A Gatling gun firework with reduced packaging length as described in any one of claims 1, 2, and 4, characterized in that, The second locking mechanism includes: An elastic clip (301) is provided at the top of the connecting part A (31) of the handle and an axial groove A (302) is provided on the outer wall of the connecting part A (31). The elastic clip (301) and the axial groove A (302) are circumferentially misaligned along the outer wall of the connecting part A (31). A limiting groove (201) is provided on the inner wall of the top of the lower connecting sleeve A (2), and an axial protrusion (202) is provided on the inner wall of the lower connecting sleeve A (2); The axial protrusion (202) is inserted into the axial groove A (302), and the handle A (3) is pushed up until the elastic card (301) is engaged in the limiting card groove (201).

6. A Gatling firework with reduced packaging length as described in claim 1 or 2, characterized in that, The second locking mechanism includes: A latch (73) and an axial boss (74) are provided on the outer side of the top of the connecting part B (72) of the handle. The latch (73) and the axial boss (74) are circumferentially misaligned along the outer wall of the connecting part B (72). The top of the axial boss (74) is lower than the bottom of the latch (73). A retaining ring (76) is provided on the inner wall of the lower connecting sleeve B (75) near the top end, and a notch (77) is provided on the retaining ring (76) corresponding to the position of the retaining bolt (73); The bolt (73) rises from the notch (77) to above the retaining ring (76), and the top of the axial boss (74) abuts against the bottom of the retaining ring (76). When the handle B (71) is rotated, the bolt (73) engages with the top of the retaining ring (76).

7. A Gatling gun firework with reduced packaging length as described in claim 1 or 2, characterized in that, The second locking mechanism includes: An axial groove (82) is provided on the outer wall of the connecting part C (81) of the handle body, and a locking part (83) is provided on one side of the bottom end of the axial groove (82); A key (85) is set on the inner wall of the bottom end of the lower connecting sleeve C (84); The key body (85) is nested in the axial groove (82). When the top end of the connecting part C (81) abuts against the top end of the lower connecting sleeve C (84), the handle is rotated and the key body (85) is engaged in the locking part (83).

8. A Gatling firework with reduced packaging length as described in claim 1 or 2, characterized in that, The second locking mechanism includes: An axial groove B (92) is provided on the outer wall of the connecting part D (91) of the handle body, and an elastic latch B (93) is provided on the bottom of the groove at the top of the axial groove B (92). An axial protrusion (95) is provided on the inner wall of the lower connecting sleeve D (94), and a groove B (96) is provided at the top of the axial protrusion (95); When the axial protrusion (95) is nested in the axial groove B (92), and the top end of the connecting part D (91) abuts against the top end of the lower connecting sleeve D (94), the elastic latch B (93) is engaged in the slot B (96).

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