Incoming and outgoing line sheath seal head of distribution transformer
By designing the sheaths of the incoming and outgoing lines of the distribution transformer, and using a combination of tightening rings and aluminum plates, the problems of wear and contaminant entry of the incoming and outgoing lines were solved, achieving the fixation and sealing of the incoming and outgoing lines and improving the operational reliability of the transformer.
Patent Information
- Application Number
- CN202520149187.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-22
AI Technical Summary
The existing distribution transformers lack effective protection for their incoming and outgoing lines, leading to wear and tear and the entry of water and dust, which affects the normal operation of the transformers and poses safety hazards.
A sheath cap for the incoming and outgoing lines of a distribution transformer has been designed, comprising components such as incoming and outgoing lines, protective sleeve, rubber sheath, insertion sleeve, and clamping components. Through the cooperation of tightening ring and aluminum plate, the incoming and outgoing lines are fixed and sealed to prevent wear and contaminants from entering.
It effectively prevents wear on incoming and outgoing lines, ensures the sealing and safety of connections, prevents water and dust from entering the transformer, and improves the operational reliability of the transformer.
Smart Images
Figure CN223911509U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a distribution transformer incoming and outgoing line sheath seal head and belongs to the technical field of transformer sheath. BACKGROUND
[0002] The distribution transformer refers to a kind of static electric appliance in distribution system, which transforms AC voltage and current according to electromagnetic induction law to transmit AC power.
[0003] In power transmission line, in order to ensure the safe operation of transmission conductor and the standardized installation of distribution transformer stand, the incoming and outgoing conductors of distribution transformer are generally connected through distribution box and transformer, but the existing distribution transformer has no good protective measures for incoming and outgoing lines, so that the lines are not fixed when entering and exiting the distribution device, which causes wear and tear of the incoming and outgoing lines, and the position of the incoming and outgoing lines cannot be closed, rainwater or dust can enter the transformer, which affects the normal operation of the transformer and poses a serious safety hazard. Therefore, a distribution transformer incoming and outgoing line sheath seal head is urgently needed to solve the above problems. UTILITY MODEL CONTENTS
[0004] In view of the deficiencies of the prior art, the utility model aims to provide a distribution transformer incoming and outgoing line sheath seal head to solve the problems raised in the background art. The utility model has a reasonable structure and is easy to operate. It not only effectively protects the connected incoming and outgoing conductors and reduces external wear and tear, but also ensures the closed safety of the connection between the transformer and the incoming and outgoing conductors, avoiding the influence of water or dust on the transformer.
[0005] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme: a distribution transformer incoming and outgoing line sheath seal head, comprising incoming and outgoing lines, incoming and outgoing line top end fittings, protective sleeves, compression members, rubber sheaths, insertion tubes, expansion pads, top grooves, fixing buckles, sealing sleeves, positioning frames, insertion rods and auxiliary clamps, the incoming and outgoing lines are provided with incoming and outgoing line top end fittings, and the incoming and outgoing lines pass through the protective sleeves, the insertion tubes are arranged at the top end of the protective sleeves, and the insertion tubes are further provided with rubber sheaths, the expansion pads arranged at the bottom of the insertion tubes are fixedly connected with the top grooves on the left and right sides of the protective sleeves through the fixing buckles, the compression members are arranged at the bottom of the protective sleeves, and a layer of sealing sleeve is further arranged inside the protective sleeve, the positioning frames are fixedly arranged inside the protective sleeve, and the outer surface of the protective sleeve is clamped by the auxiliary clamps, the auxiliary clamps are fixed on the distribution transformer through the insertion rods, the compression members comprise tightening rings, internal threads, aluminum plates, partition grooves and threaded grooves, a plurality of partition grooves are formed in the aluminum plate, and the aluminum plate is divided into a plurality of plate blocks by the partition grooves, a plurality of threaded grooves are arranged on the surface of the aluminum plate, the tightening ring is connected with the aluminum plate, and the internal thread is formed in the inner wall of the tightening ring.
[0006] Further, the internal thread in the tightening ring is matched with the size of the thread groove on the surface of the aluminum plate.
[0007] Further, the auxiliary clamp is made of elastic clamping plate and has a size matching that of the protective sleeve.
[0008] Further, a plurality of positioning frames are adhered to the inner wall of the sealing sleeve inside the protective sleeve.
[0009] Further, the top of the aluminum plate is fixed on the bottom surface of the protective sleeve by welding.
[0010] Further, the insertion cylinder with the rubber sheath matches the size of the bottom joint of the distribution transformer.
[0011] The utility model discloses a kind of distribution transformer inlet and outlet line protective sleeve end, because the utility model adds insertion cylinder, positioning frame, auxiliary clamp, tightening ring, internal thread, aluminum plate and thread groove, adds insertion cylinder with rubber sheath, it is helpful to insert into the bottom of distribution transformer, it is convenient to fix protective sleeve, and auxiliary clamp can make distribution transformer support protective sleeve to a certain extent, reduce the connection pressure of insertion cylinder, set up the aluminum plate that is tightened by tightening ring, it can be fixed protective sleeve bottom, prevent inlet and outlet line from separating from protective sleeve. DRAWINGS
[0012] Other features, objects and advantages of the utility model will become more apparent through reading the detailed description of non-limiting embodiments with reference to the following drawings:
[0013] Figure 1 It is whole structure schematic diagram of the utility model of a kind of distribution transformer inlet and outlet line protective sleeve end;
[0014] Figure 2 It is protective sleeve part structure schematic diagram of the utility model of a kind of distribution transformer inlet and outlet line protective sleeve end;
[0015] Figure 3 It is auxiliary clamp part structure schematic diagram of the utility model of a kind of distribution transformer inlet and outlet line protective sleeve end;
[0016] Figure 4 It is compression member structure schematic diagram of the utility model of a kind of distribution transformer inlet and outlet line protective sleeve end;
[0017] In the drawing: 1-inlet and outlet line, 2-inlet and outlet line top end fitting, 3-protective sleeve, 4-compression member, 5-rubber sheath, 6-insertion cylinder, 7-expansion pad, 8-top groove, 9-fixing buckle, 10-sealing sleeve, 11-positioning frame, 12-inserting rod, 13-auxiliary clamp, 41-tightening ring, 42-internal thread, 43-aluminum plate, 44-separation notch, 45-thread groove DETAILED DESCRIPTION
[0018] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0019] Please refer to Figures 1-4 The utility model provides a technical scheme: a distribution transformer incoming and outgoing line sheath seal head, including incoming and outgoing line 1, incoming and outgoing line top end fitting 2, protective sleeve 3, compression member 4, rubber skin 5, insert cylinder 6, expansion pad 7, top groove 8, fixed buckle 9, sealing sleeve 10, positioning frame 11, plug rod 12 and auxiliary clamp 13, incoming and outgoing line 1 top end is equipped with incoming and outgoing line top end fitting 2, and incoming and outgoing line 1 passes through protective sleeve 3, the top end of protective sleeve 3 is provided with insert cylinder 6, and rubber skin 5 is also sleeved on insert cylinder 6, the expansion pad 7 that insert cylinder 6 bottom is provided with is fixedly connected with the left and right sides of top groove 8 on protective sleeve 3 through fixed buckle 9, the bottom of protective sleeve 3 is provided with compression member 4, and the inside of protective sleeve 3 is also provided with a layer of sealing sleeve 10, positioning frame 11 is fixedly arranged in the inside of protective sleeve 3, and the outer surface of protective sleeve 3 is also clamped by auxiliary clamp 13, auxiliary clamp 13 is fixed on distribution transformer through plug rod 12, compression member 4 includes tightening ring 41, internal thread 42, aluminum plate 43, partition slot 44 and thread groove 45, a plurality of partition slots 44 are formed in aluminum plate 43, and partition slot 44 divides aluminum plate 43 into a plurality of plate blocks, a plurality of thread grooves 45 are formed on the surface of aluminum plate 43, tightening ring 41 is connected with aluminum plate 43, and internal thread 42 is formed on the inner wall of tightening ring 41.
[0020] As the first embodiment of the utility model: the insert cylinder 6 with rubber skin 5 conforms to the size of the bottom joint of distribution transformer, the design adds the insert cylinder 6 with rubber skin 5, which helps to insert into the bottom of distribution transformer after the incoming and outgoing line top end fitting 2 is connected with the bottom joint of distribution transformer, not only facilitates the fixation of protective sleeve 3, but also prevents the bottom joint of distribution transformer from entering dust and water, the top of aluminum plate 43 is fixed on the bottom surface of protective sleeve 3 by welding, and the size of internal thread 42 in tightening ring 41 matches the thread groove 45 on the surface of aluminum plate 43, the design takes advantage of the light weight and water-proof characteristics of aluminum plate 43 to facilitate the tightening of aluminum plate 43 by tightening ring 41, which can further fix the bottom of protective sleeve 3 and prevent incoming and outgoing line 1 from separating from protective sleeve 3, a plurality of positioning frames 11 are adhered to the inner wall of sealing sleeve 10 inside protective sleeve 3, the design sets a plurality of positioning frames 11 inside protective sleeve 3, which helps to keep incoming and outgoing line 1 fixed inside protective sleeve 3 and also plays a certain supporting role for incoming and outgoing line 1, auxiliary clamp 13 is made of elastic clamping plate and its size matches the size of protective sleeve 3, the design helps the distribution transformer to support protective sleeve 3 to some extent and reduces the connection pressure of insert cylinder 6.
[0021] As the second embodiment of the utility model: the incoming and outgoing line 1 together with the incoming and outgoing line top end fitting 2 from the aluminum plate 43 at the bottom of the protective sleeve 3, after passing through the protective sleeve 3, from the top of the insertion cylinder 6, after connecting the incoming and outgoing line top end fitting 2 with the power distribution transformer bottom joint, the protective sleeve 3 is pulled up, the insertion cylinder 6 with rubber sheath 5 is inserted into the power distribution transformer bottom joint, then the auxiliary clamp 13 on the insertion rod 12 is used to clamp the protective sleeve 3, by twisting the tightening ring 41, the separation slot 44 on the aluminum plate 43 at the bottom of the protective sleeve 3 is closed, so that the internal thread 42 in the tightening ring 41 can tighten the threaded groove 45 on the aluminum plate 43, so that the aluminum plate 43 clamps the incoming and outgoing line 1 to keep the closed state, the incoming and outgoing line 1 in the protective sleeve 3 is placed on the positioning frame 11 to ensure straightness, so that under the protection of the protective sleeve 3, the surface wear of the incoming and outgoing line 1 is reduced, and the power distribution transformer bottom joint is closed to avoid dust and dew.
[0022] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0023] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.
Claims
1. A power distribution transformer incoming and outgoing line sheath seal head, comprising an incoming and outgoing line (1), an incoming and outgoing line top end fitting (2), a protective sleeve (3), a pressing member (4), a rubber sheath (5), an embedding cylinder (6), an expansion pad (7), a top groove (8), a fixing buckle (9), a sealing sleeve (10), a positioning frame (11), a plug rod (12), and an auxiliary clamp (13), characterized in that, The inlet and outlet line (1) top end is equipped with inlet and outlet line top end connector (2), and inlet and outlet line (1) through the protective sleeve (3), the protective sleeve (3) top end is provided with the insertion cylinder (6), and the insertion cylinder (6) is also covered with rubber sheath (5), the expansion pad (7) is arranged at the bottom of the insertion cylinder (6) and is fixedly connected with the top groove (8) of the protective sleeve (3) through the fixing buckle (9) on the left and right sides, the protective sleeve (3) bottom is provided with compression member (4), and the protective sleeve (3) is further provided with a layer of sealing sleeve (10), the positioning frame (11) is fixedly arranged in the protective sleeve (3), and the outer surface of the protective sleeve (3) is further clamped by the auxiliary clamp (13), the auxiliary clamp (13) is fixed on the distribution transformer through the insertion rod (12); The compression member (4) includes a tightening ring (41), an internal thread (42), an aluminum plate (43), a separation notch (44), and a threaded groove (45), a plurality of separation notches (44) are formed in the aluminum plate (43), and the separation notches (44) divide the aluminum plate (43) into a plurality of plate blocks, a plurality of threaded grooves (45) are formed on the surface of the aluminum plate (43), the tightening ring (41) is connected with the aluminum plate (43), and an internal thread (42) is formed in the inner wall of the tightening ring (41).
2. An electrical distribution transformer lead-in / lead-out bushing seal according to claim 1, characterized in that: The insertion cylinder (6) with the rubber sheath (5) conforms to the size of the bottom joint of the distribution transformer.
3. An electrical distribution transformer lead-in / lead-out bushing seal according to claim 1, characterized in that: A plurality of positioning frames (11) are adhered to the inner wall of the sealing sleeve (10) in the protective sleeve (3).
4. An electrical distribution transformer lead-in / lead-out bushing seal according to claim 1, wherein: The auxiliary clamp (13) is made of elastic clamping plate, and the size conforms to the size of the protective sleeve (3).
5. An electrical distribution transformer lead-in / lead-out bushing seal according to claim 1, wherein: The aluminum plate (43) is fixed on the bottom surface of the protective sleeve (3) by welding.
6. An electrical distribution transformer lead-in / lead-out bushing seal according to claim 1, wherein: The internal thread (42) in the tightening ring (41) is matched in size with the threaded groove (45) on the surface of the aluminum plate (43).